G o l d e n G a t e R a p t o r O b s e r v a t o r y VOLUNTEERS • HAWKWATCH • BANDING TELEMETRY • OUTREACH • DONORS
GGRO banding volunteers used a variety of nets to trap the nine species that were banded in 2008. The net production and repair team was led by Jenn Cutler in 2008.
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S E R V A T O R Y The Golden Gate Raptor Observatory’s mission is to inspire the preservation of birds of prey. Our business is to monitor and study the bird of prey migration along the central California coast, particularly at the Marin Headlands, part of the Golden Gate National Recreation Area. We are dedicated to the conservation of raptors both through careful data collection and through involving the public in every aspect of our research. The GGRO is a program of the Golden Gate National Parks Conservancy and the National Park Service, and is made up of 261 community volunteers and a small staff. GGRO Season Summary 2008 was written by Allen Fish & Buzz Hull. It was edited by Jill Harley, illustrated by Siobhan Ruck and published by the Golden Gate Raptor Observatory, Golden Gate National Parks Conservancy Fort Cronkhite, Building 1064, Sausalito, California, 94965 (415) 331­0730 • (415) 331­7521 fax • ggro@parksconservancy.org • www.ggro.org Copyright 2009 by the Golden Gate Raptor Observatory. All rights reserved. Cover Illustration: Peregrine Falcons made a strong showing in the Marin Headlands this fall with count levels around one Peregrine every two hours, and a record ten banded. Nine of the ten were juveniles like this one. G
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F A LLEN F ISH, GGRO D IRECTOR • B UZZ H ULL , RESEARCH D IRECTOR • J ILL H ARLEY, R ESEARCH A SSISTANT 2008 I NTERNS: H ELEN D AVIS • CARMEN D E L EON • T ERESA E LY • LYNN SCHOFIELD G G R O S E A S O N S U M M A R Y 2 0 0 8 • 2 I N T R O D U C T I O N
Late in 2007, our long­time colleague Ryan Jones, an educator­ecologist with the Parks Conservancy’s Site Stewardship program, asked us if he could intern with the GGRO for the winter and spring months. Ryan, a talent­ ed artist, had an idea about how he could bring field guides into the 21st century. He visualized a computer­based bird guide that would allow you to change the plumage of a three­dimensional, perched hawk from adult to juvenile, from female to male, from one subspecies to another – each with the click of a mouse. With another click, you could rotate the hawk, and with another, you could actually make it lift off and fly. Ryan wanted to take full advantage of the capability of computers, instead of just plunking a flat field guide page onto a screen and calling it a new product. But beyond the mere novelty of an animated 3D field guide, Ryan understood something deeper – that there’s a tidal wave of kids becoming adults right now who don’t read books, they work with computer screens. They game, they animate, they blog, they wiki. Ryan wanted to make sure that these young people had a bridge to the natural world, to raptors, sure, but also to all birds, to butterflies, to native plants. To all of it. I write wanted here because, tragically, Ryan Jones was killed on July 19, 2008, by a drunk driver. From February through June, he painted fervently, often taking eight hours to get a hawk just right, and by the summer’s start he’d completed most of the plumages of the 19 species we see in the Headlands. He pushed his abilities in animation and sculpted a stunning 3D Peregrine Falcon that allowed the user to make plumage changes just as he had envisioned. He made the Peregrine spin as guided by the mouse drag. And he made a lithe, buoyant White­tailed Kite that flapped across a backdrop of the Marin Headlands. I have realized in his passing that what Ryan Jones accomplished as one human, however unfinished, was incredi­ ble. And although his work on the 3D Field Guide has not been dropped, its real advancement now will depend upon the dedicated sponsorship of someone, of a company or foundation that can commission the work of multiple artists, biologists, and animators. If you are in such a position, don’t hesitate to contact us. For more information on Ryan Jones and his legacy in the Parks, please visit www.parksconservancy.org and click on “Site Stewardship.” As in the past, the GGRO’s annual fall migration monitoring would not have been possible without the deep com­ mitment of our volunteers, especially the dayleaders, who guide our daily hawkwatch, banding, and radiotracking programs. Five volunteers celebrated their 20th seasons with the GGRO in 2008: Tim Behr, Roxanne Farwell, Diane Horn, and David & Lynn Jesus. Three volunteers – John Keane, Bill Prochnow, and Buzz Hull – banded their 25th season in 2008. Great thanks to each for their inestimable hours of volunteer time, and for shaping the culture of the GGRO. Thanks to our hundreds of donors, including corporate sponsors Kowa Optics, Eagle Optics, and particularly our newest partner in raptor conservation, Burning Hawk Wines. Some decades ago, the GGRO arose from multiple origins: birders with Marin Audubon Society, raptor interpreters at the San Francisco Zoo, ornithologists at California Academy of Sciences, community organizers at the Golden Gate National Parks Conservancy, and biologists at the National Park Service. Because of this complex parentage, we have never quite pinned down an exact start date for the GGRO. However, it was around late 1984 that the many strings came together, under Judd Howell’s guidance, to become a core concept: a community­driven group dedicated to the long­term study and conservation of the spectacular raptor migration over the Marin Headlands. As the Golden Gate Raptor Observatory moves ahead into 2009, we will be celebrating our 25th birthday with lec­ tures, gatherings, and celebrations in the summer and fall. We will of course keep you abreast of all our activities and hope that you will join us to lift your binoculars to the sky, and toast these magnificent birds. ­ALLEN FISH afish@parksconservancy.org G G R O S E A S O N S U M M A R Y 2 0 0 8 • 3 V
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Rob Allen Jon Altemus Rosemary Andrade Caryn Ansel Anne Ardillo Kendra Armer Michael Armer Stefanie Arthur Diane Bahr Lynn Bantley Bill Barnaby Eddie Bartley Don Bartling Liam Bartling Steven Bauer Larry Beard Tim Behr Mukund Belliappa Maxine Berg Ronald Berg Ardith Betts Stephanie Bishop Jessica Blickley Marc Blumberg Robert Blumberg Natalya Blumenfeld Jeff Boissier Heather Borman Carroll Botvinick Herb Brandt Randy Breaux Nancy Brink Johnny Brown Jim Brulet Shannon Burke Michael Butler Julia Camp Phil Capitolo Ann Cassidy Sally Cedarblade Linda Chambers Maureen Chen Donna Ciccolini Jim Clausen Terry Coddington Courtney Collier Gerald Connell Lewis Cooper Susan Corbaley Kanit Cottrell Jennifer Cutler L
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Patti D'Angelo Candace Davenport Bob Davis Helen Davis Dennis Davison Pamela Dayton Laura Dee­Ruiz Rachel del Rio Tom Delebo Carmen DeLeon Ron DeLeon Russ DeLong Frank DeMarco Richard Drechsler J.D. Durst George Eade Wade Eakle Teresa Ely Cynthia Enderlein Robert Engel Janeann Erickson Laura Erickson Keith Fahlgren Roxanne Farwell Mark Fenn Richard Ferris Norma Ferriz Alice Fialkin Amy Fillin Robbie Fischer Allen Fish David Fix Leslie Flint Ross Forman Laura Fujii Heather Furmidge Angelo Gilbert Ann Greiner Keith Gress John Griffin Eli Gross Jerry Hadfield Aaron Haiman Joshua Haiman Carol Hansen Michael Harkins Jill Harley Judy Harris Kirsten Harris Michele Harrison Amos Hausman­Rogers T
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Linda Herman David Herrema Barbara Hilbourn Roberta Hollier John Holson Calvin Hom Diane Horn Dick Horn Buzz Hull Josh Hull Julian Hyde Jennifer Hyypio Bill James Mark Jasper Eric Jepsen David Jesus Lynn Jesus Tim Jesus Neal Johannsen Marcine Johnson Craig Jones Jen Kaczor Debbie Kahn Kanani Kauka Mamiko Kawaguchi John Keane Libby Kelly­McMahon Mary Kenney Sterling Kinnell Walter Kitundu Sarah Klobas Leslie Koenig Ann Kositsky Allison Kozak Cheryl Kraywinkel Doris Kretschmer Coby LaFayette­Kelleher Jason Laffer Corinne Lambden Joan Lamphier Dian Langlois Galen Leeds Chuck Legere Allison Levin Marie Lipman Carolyn Longstreth John Longstreth Lynn MacDonald Mary Malec Stacy Martinelli Salomon Martinez G G R O S E A S O N S U M M A R Y 2 0 0 8 • 4 R
S Charles Massen Lynn McCall Fran McDermott Ewen McKechnie Jim Mead Terry Mead Joe Medley Horacio Mena Alan Meyer Kim Meyer Jess Miller Steve Miller Terrie Miller John Mock Mary Morgan Nancy Mori Tom Moutoux Paul Muldown Mikiye Nakanishi Chris Nikitas Craig Nikitas Amber Nordby Arthur Oberbeck John Odell Kathy Odell Steve O'Donnell Rebecca Olsen Vivian Olsen Michelle Oltman Claire O'Neil Steve O'Neill Pat Overshiner Gary Palmer Ron Parker Susan Pemberton Jean Perata Ralph Pericoli John Perry Matthew Perry Robin Pfister Sevin Philips Roy Pisetsky Tania Pollak Bob Power Robbie Preu Bill Prochnow Sue Ellen Raby James Raives Yvette Redler Don Reinberg Theresa Rettinghouse
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Maria Rivera Steven Rock Laury Rosenthal Connie Rubiano Siobhan Ruck Ann Ruffer Sharon Salisbury Barbara Sapienza Peter Sapienza Juta Savage Lynn Schofield David Sexton Rich Seymour James Shea Jay Sheets Catherine Shipman U
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Brian Smucker David Snipper Curtis Snyder Tate Snyder Mara Solomon Mandy Stanford Polly Strahan Hal Sugishita Jan Sutcher Mark Sutherland Julie Sykes Jan Talbert Michelle Tattersall Janet Thiessen Laura Thomas Sarah Toas T
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Rachel Townsend Thom Tran Leslie Tribe John Ungar Douglas Vaughan Denise Villa Nick Villa Peter Walsworth Noreen Weeden Marion Weeks Emily Weil Jill Weinstein Dave Wells Brian Westlund Barbara Westree Nick Whelan E
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Kevin Whilden Peter White Laurie Williams Harvey Wilson Ken Wilson David Wimpfheimer Elizabeth Wommack David Wood Jim Yampolsky Ann Yasuda Docent Bill Prochnow prepares to carefully extract a Cooper’s Hawk from its holding can during a weekend banding demonstration. The can keeps the hawk calm.
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H RAPTOR­SIGHTINGS IN THE MARIN HEADLANDS DURING AUTUMN* 2008 Raptor Rate (Hawks/Hour) 2008 Raptor Sightings Past 10­Year Average 1998­2007 Hours Turkey Vulture Osprey White­tailed Kite Mississippi Kite Bald Eagle Northern Harrier Sharp­shinned Hawk Cooper’s Hawk Northern Goshawk Red­shouldered Hawk Broad­winged Hawk Swainson’s Hawk Red­tailed Hawk Ferruginous Hawk Rough­legged Hawk Golden Eagle American Kestrel Merlin Peregrine Falcon Prairie Falcon Unidentified 14.79 0.17 0.14 <0.01 0.01 0.90 8.05 3.84 <0.01 1.10 0.26 <0.01 13.46 0.03 0.01 0.04 0.74 0.36 0.44 0.01 1.78 508 7,515 88 69 1 6 457 4,087 1,951 2 559 131 1 6,836 15 4 18 377 184 223 7 903 509 9,406 107 84 0 4 818 4,634 2,619 1 412 126 6 9,891 24 9 21 595 177 172 5 1,534 Total 46.1 23,434 30,652 * Not to be cited except by permission of the GGRO. 2008 data still under review.
The 2008 Hawkwatch Season was staffed by 161 volunteers led by 14 superlative dayleaders. We counted birds, when weather permitted, from August 18th through December 7th. 2008 was indeed a below­average year. Except for the first week of straight fog, most of the peak season was clear, diminishing the chance for big flights to be pulsed by weather systems. On September 21st, the peak day, we tallied just under 700 sightings (115 hph) with only two other 2008 days showing more than 600 sightings per day. Compare that to sixteen 600­sighting days in 2006, and thirteen in 2007. Only six of nineteen raptor species showed increases in 2008 over the previous ten­year averages, and most of these were small. Exceptions were Redshoulders and Peregrines, which both showed >30% increases. On October 25th we sighted our third Mississippi Kite in just 33 years. That Saturday at 11:05 am, a gray, pointy­ winged raptor rose above Hawk Hill and started eating insects on the wing, long enough for photos. The previous Miss Kites were in 1976 (an adult on September 13th) and 2003 (immature on October 23rd). ­ ALLEN FISH D A
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JON ALTEMUS • S TEFANIE ARTHUR • TIM BEHR • LEWIS COOPER • DENNIS DAVISON J OSHUA HAIMAN • JULIAN HYDE • DAVID JESUS • KANANI KAUKA • MARY KENNEY F RAN MC DERMOTT • KIM MEYER • BOB POWER • LAURY ROSENTHAL G G R O S E A S O N S U M M A R Y 2 0 0 8 • 6 S B
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G RAPTORS BANDED IN THE MARIN HEADLANDS DURING AUTUMN* 2008 Northern Harrier Sharp­shinned Hawk Cooper’s Hawk Northern Goshawk Red­shouldered Hawk Broad­winged Hawk Swainson’s Hawk Red­tailed Hawk Ferruginous Hawk Rough­legged Hawk Golden Eagle American Kestrel Merlin Peregrine Falcon Prairie Falcon Eurasian Kestrel Total 5 646 504 0 17 0 0 276 0 0 0 38 27 10*** 3 0 1,526 Annual Average 1992­2007** 12 468 579 0 15 1 0 343 0 0 0 53 22 4 2 0 1,452 Totals 1983­2008 248 8,664 11,031 5 290 20 8 7,766 2 5 2 1,003 408 72 32 1 29,557 * Not to be cited except by permission of the GGRO. 2008 season data are preliminary, and only through January 2, 2009. ** 1992 through 2007 are used for this comparison due to similarity of methods and effort between those years and 2008. *** New GGRO season high! There was no way that the 2008 fall banding season numbers at the GGRO could outdo or even equal the numerous records set by the volunteer banders in 2007. We were put on early notice that this season would be different from last by a grimly monotonous series of foggy, gray, cold, windy days. During the initial two­ week cycle the score was: Slacker Blind Hawk Blind Poak Blind Hill 88 Blind Fog 6, Banders 5 Fog 7, Banders 7 Fog 6, banders 8 Fog 4, Banders 10 (In this arcane scoring, the fog got a point for a fog­out, and the banders got a point for at least one capture.) Numbers of captures of Northern Harriers, Cooper’s Hawks, Red­tailed Hawks, and American Kestrels were all below average, while Sharp­shinned Hawks, Red­shoulders, Merlins, Peregrines, and Prairie Falcons were all above average. Captures of adult Redtails were also an all­time GGRO low, with only 5 caught. The brightest spot for many banders were the ten Peregrines caught during the season, surpassing our previous record of 6 caught in 1994 and again in 2000. We were joined this year by an exceptionally enthusiastic and motivated apprentice class, most of whom were with us through the entire fall. Congratulations to this won­ derful group of new banders for their work. We look forward to working with you for years to come. And many thanks to all the dayleaders, siteleaders, and returning journey­level banders for your hard work and dedication to both the hawks and to teaching and mentoring the newer volunteers and interns. ­ BUZZ HULL D A
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ANNE ARDILLO • LYNN BANTLEY • RANDY BREAUX • NANCY BRINK RUSS DE LONG • DICK HORN • BUZZ HULL • JOSH HULL • DAVID JESUS • JOHN KEANE MAMIKO KAWAGUCHI • CRAIG NIKITAS • SIOBHAN RUCK • NICK VILLA
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Y JUVENILE RED­TAILED HAWKS RADIOTRACKED IN 2008 Name Date Wingding Nov 4­6 Net Direction Last Known Location Net Distance from Headlands Southeast Watsonville Area 71 miles XXIV Nov 9­12 Northwest Northwest of Ukiah 118 miles “Wingding,” a juvenile female Red­tailed Hawk, was trapped at Hawk Blind by intern Helen Davis on November 4th, 2008. Upon release Wingding flew to Angel Island and spent the night there. The next day she flew southward through Fremont and then across the bay to the Peninsula. After some anxious time in the early afternoon without hearing a signal, the Yerba Buena Island team picked up a single bear­ ing showing the hawk had moved west over the coastal ridge. Wingding was located late in the day on the coast near Davenport, north of Santa Cruz. On November 6th, Larry Beard and Galen Leeds witnessed an early morning interaction between Wingding and a Northern Harrier. The two stationary teams recorded her movement in the Corralitos and Watsonville areas, but during the afternoon the signal was lost by all teams. No signal was heard by any team through the end of the day. Hopeful teams spent all day on the 7th actively searching the area for a signal, all to no avail. Wingding was considered lost and the teams returned to the Headlands to start a new tracking effort with a new bird. After a foggy, drippy November 8th with no captures, our twenty­fourth juvenile Redtail telemetry bird was captured by intern Teresa Ely on November 9th at Hawk Blind. This male was named XXIV. After circling the Hawkwatch and giving everyone a great look, XXIV joined another Redtail winging north and headed toward San Rafael, where he settled down for the evening. XXIV moved steadily north on the 10th, following the Highway 101 corridor, and settled down in the late afternoon just southeast of Cloverdale. On November 11th, XXIV made some local movements around 9am. The hawk’s northward movements were recorded by all three teams as the day progressed, crossing Geyser Road north of Cloverdale and then flying directly over the team stationed in Hopland. By 3 pm, XXIV had flown to the McNab Creek area, a few miles south of Ukiah. At about 4:30 he went over the ridge and finished the day to the southwest. On November 12th XXIV headed northwest and the teams successfully kept up with him, despite dirt roads and lack of communication with each other. Cross­bearings showed that he had moved into the Big River watershed by day’s end, where the teams were unable to track him farther. Sixteen years ago, the GGRO Telemetry Team tracked another juvenile Red­tailed Hawk who went this far north in the coastal range. Francisco was lost in the "Lost Coast" area of Northern California, only to re­ appear in the Bay Area a month later. Although the interns listened for a signal from Hawkwatch during the waning days of this season, XXIV, unlike Francisco, was not heard from again. These two birds tracked in 2008 help us further understand the range of movements of our juvenile Red­tailed Hawks dur­ ing the fall tracking season. ­ BUZZ HULL T E
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CARYN ANSEL • LARRY BEARD • J EFF BOISSIER • BILL JAMES LYNN JESUS • CHERYL KRAYWINKEL • JAMES RAIVES THERESA RETTINGHOUSE • JAMES S HEA • DAVID WIMPFHEIMER
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H During the peak migration months, twenty entertaining GGRO docents educated some 1200 Hawk Hill visitors as to the fine points of hawk migration, raptor biology, and identification tips during GGRO’s weekend Hawk Talks and Banding Demonstrations. A wide range of adult community and college groups enjoyed some migration­watching or GGRO instruction throughout the calendar year both on and off the Hill: Sonoma State University, UC Davis, Pt. Reyes Field Seminars, East Bay Regional Parks staff, Aspen Institute staff, Lindsay Museum, Exploratorium teachers, Headlands Institute staff, Occidental College alums (excluding Mr. Obama who was a little busy last October), Santa Clara Valley Audubon, Yosemite Audubon, Mendocino Audubon, Portland Audubon, Marin Environmental Forum, Marin Open Space District, Western Field Ornithologists, Raptor Research Foundation, Sonoma Birding Group, and San Francisco Museum of Modern Art. A small group of Bay Area schools made visits to Hawk Hill this year as well: Park School, Prospect­ Sierra School, Head­Royce School, Marin Horizons School, Natural Bridges School, Mountain Shadows School, Downtown­Balboa High School’s WALC, Chinese­American School, Orinda Academy, Aim High, and the Marin School. Many of these schools were taught with great interpre­ tive finesse by Natalya Blumenfeld. Natalya interned with us in 2007 as a member of the famed “Raptor Girls” group, and now works in the executive office of our mothership, the Golden Gate National Parks Conservancy. Our great thanks to Nat for extending herself and keeping those kids tantalized by raptors. Scientifically, 2008 was a pivotal year for the Observatory. We had four scientific articles appear in four different journals from Western Birds to Molecular Ecology. These were thanks largely to the leadership of Josh Hull, who has just completed his doctorate and a post­doc assignment at UC Davis, and is now working for US Fish and Wildlife Service. The articles included: (1) a method for deter­ mining the sex of hawks from in­hand measurements; (2) morphological differences in Red­tailed Hawks of the western US; (3) a continent­wide genetic analysis of Red­shouldered Hawk populations; and (4) documentation of 2007’s Eurasian Kestrel banding in the Marin Headlands, the first record and banding of this species in California. Several other scientific articles are forthcoming in 2009, and we will announce them when they appear. In the meantime, if you would like a computer PDF of any of the articles above, or a complete listing of GGRO’s scientific papers and presentations, please email us and we’ll send them out. Finally, on a slightly different scale of outreach, GGRO appeared in the national news in 2008. The ABC­News “Good Morning America” show dedicated several weeks in May to unfolding the seven wonders of America. Wonder number six was the “Golden Gate Bridge and Surroundings” which included the hills of the Marin Headlands and Hawk Hill. The TV segment featured a fraction of a second with GGRO folks walking up to Hawk Hill, and acknowledgement of this “birdwatchers’ par­ adise.” Nope, no fifteen minutes of fame for us, but how often does your local raptor migration make the national news? ­ ALLEN FISH D
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EDDIE BARTLEY • NATALYA BLUMENFELD • RANDY BREAUX • HELEN DAVIS • TOM DELEBO CARMEN DE LEON • TERESA ELY • MICHAEL HARKINS • CHARLES MASSEN • CRAIG NIKITAS PAT OVERSHINER • J OHN P ERRY • BILL PROCHNOW • S IOBHAN RUCK • LYNN SCHOFIELD POLLY S TRAHAN • DENISE VILLA • NICK VILLA • NOREEN WEEDEN • NICK WHELAN
G G R O S E A S O N S U M M A R Y 2 0 0 8 • 9 S D O Cheryl Abel Jeff Acuff Rob Allen Patricia Allison George Almeida Caryn Ansel Marilyn Armbruster Kendra Armer Michael Armer Laura Armor David Arnold N O Marc Blumberg Robert Blumberg Shirley Bogardus Bill & Jennifer Bollinger Jennifer Bollinger Roxanne Borcich John Borgsteadt Dix Boring Carroll Botvinick Anthony Brake Albert Brewster R S Ron Colwell Gerald Connell Lewis Cooper Marilyn Cooper Jan Cummins Rigdon Currie Jennifer Cutler Charles Cutting Ludek Dadok Jon d'Alessio Patricia D’Angelo Bander Tania Pollak releases one of 504 Cooper’s Hawks banded in 2008.
Nikki Ausschnitt Marylou Avanzino Paul Babwin Diane Bahr Chloe Banks Bill Barnaby Eddie Bartley Anne Baxter Linda Becker Cathy Bell Ronald & Maxine Berg Sandra Berggren Anne Bernstein F.J. Bethke Ardith Betts William Bianco Adam Birek Rosella & Todd Blanding Carl Blom Geraldine Brown Johnny Brown Phyllis Browning Charles Brownold Shannon Burke Michael Butler Hugh & Pearl Campion Cheryl Carnes John Caulfield Sally Cedarblade Donna Ciccolini Ronald Cliff Terry Coddington Joanna Cohen Jeanne Cohn Christine Colasurdo George Coles Courtney Collier Jackie Collins Anne Darragh Dennis Davison Grace de Laet Tom Delebo Bob Deloria Frank DeMarco Karen DeMello Licia DeMeo Leslie Detrich Leslie Dicke David Diggs Sue Dirksen David Dotur Richard Drechsler Dave Driggs J.D. Durst Wade Eakle Peter Ehrlich Cynthia Enderlein G G R O S E A S O N S U M M A R Y 2 0 0 8 • 1 0 D O N Robert Engel Marian Erdelyi Janeann & Laura Erickson Val Fairman Linda Feldman Charles Feledy Tom Felts Ron Felzer Mark Fenn Richard Ferris Alice Fialkin Jeanne Fidler Virginia Fifield Robbie Fischer George & Caroline Fish Jim Fisher Mary Anne Flett Leslie Flint Alexandra Forman Ross Forman Gayle Fuetsch Laura Fujii Lillian Fujii Heather Furmidge Theresa Gabel Inman Gallogly Leo Gaspardone Kevin Gilmartin David Ginsburg Morey Goldstein Quentin Goodrich Cindy Goral Patricia Gotchall Dorothy Gregor Ann Greiner Earl Gress Keith Gress John Griffin Mary Haack Jerry Hadfield Aaron Haiman Joshua Haiman John Harris Judy Harris George Hartzell Hugh Harvey David Herrema Ann Heurlin Diane Hichwa Edna Hickok Jan Hintermeister O Adolph Hoffmann Roberta Hollier Calvin Hom Sam Hontalas Tom Hopkins Dick & Diane Horn Richard & Terry Horrigan Michael House Tim Howe Karen Hoyt Ellen Hughes Karen Humphrey Mark Inman Angela Ippolito Victoria Jackson Bill James Marcine Johnson Craig Jones Peter Joost Barbara Jording Debbie Kahn Mamiko Kawaguchi Susan Kelly Libby Kelly­McMahon Laurie King Sterling Kinnell John Kirvan Nancy Kittle John Knox Leslie Koenig Robin Kojima Donald Koors Ann Kositsky Allison Kozak Cheryl Kraywinkel Doris Kretschmer Julia Kringel Coby LaFayette­Kelleher Jason Laffer Corinne Lambden Lori Lambertson Joan Lamphier Barbara Lancaster Kenneth Landon Winifred Lennihan Peter Leveque Allison Levin Cheryl Lewis Taiyo Lipscomb Kirsten Liske Sue Loar G G R O S E A S O N S U M M A R Y 2 0 0 8 • 1 1 R S Jeff Longcrier Jean Loo Mary Lorey Lynn MacDonald Chris Macintosh Elizabeth Madriz Declan Mages Robert Mallette Ron Mallory Nancy Martin Stacy Martinelli Salomon Martinez Charles Massen Alice May Lynn McCall Kirk McAllister Maureen McCormick Fran McDermott Susan McGreevy Yvonne McHugh Ewen McKechnie John McQuown Terry Mead Dennis Meehan Amy Meyer Ivan Meyerson Sally Miller Terrie & Steve Miller Dee Mitchell Edith Mitchell Henry Mitchell John Mock Mary Morgan Nancy Mori Denise Mortorff Alida Morzenti Tom Moutoux Heidi Munzinger Daniel Murphy Louise Nagle Mikiye Nakanishi Soo­Hi Nayer Gregg Niceley Amber Nordby Ed Nute Edward Oberweiser Kathy Odell Steven O'Donnell Brian O'Laughlin Rebecca Olsen Vivian Olsen
D O Michelle Oltman Claire O'Neil Pat Overshiner Elizabeth Palmer Gary Palmer Valentini Paola Diane Parish Kim Parker Ron Parker Katherine Pattison Robin & Annette Pennell Jean Perata Roy Pisetsky Marjorie Plant Allan Plumb Jim Polkinghorn Carol Poole Bob Power David Pratt Carol Prince Bill Prochnow William Rabin C. John Ralph N O Don Reinberg Gail Richardson Eileen Richey H. Allan Ridley Elizabeth Rippe Marci Riseman Duane & Barbara Robinson Steven Rock Diane Rooney Douglas Rose Anne Ross Marjorie Roth Elizabeth Rouan Patricia Rowe Ruth Royter Connie Rubiano Bill & Siobhan Ruck Ann Ruffer Maggie Rufo Philip Ruhle Laura Ruiz Judith Runstrom Leonard & Elizabeth Rush R Sharon Salisbury Serena Salomon Peter Sapienza Juta Savage Michael Savino Rolf Scherman Birgit Schilling Norma Schmid Donald Schmoldt Linda Schneider Samuel Schuchat Marianne Seiki David Sexton James Shea Debra Love Shearwater Dan Sherman Carrie Sherriff Catherine Shipman Martin Sidor Brad Silfies Marjorie Smith Robin Smith Brian Smucker Hawkwatchers David Herrema and Carmen DeLeon scan the West Quadrant in hopes of a second Mississippi Kite, please oh please.
G G R O S E A S O N S U M M A R Y 2 0 0 8 • 1 2 S D O David Snipper Tate & Curtis Snyder Mara Solomon Sharon Solomon Sheila Sousa Colin Specht Patricia Spencer Maitland Stanley Karl Stauffer Jean Perata Philip Steiner Joan Stewart Ann Stone Polly Strahan Hal Sugishita Meryl Sundove Jan Sutcher Mark Sutherland Julie Sykes Bruce Thompson Bill Trione John Ungar Linda Vallee Richard Vanderlugt Jullie Vasquez Douglas Vaughan Denise & Nick Villa Jerry Vitenson Julia Wallace Peter Walsworth Mary Watt Michael Weber Laurie Wedra Noreen Weeden Marion Weeks Jill Weinstein S. Paul Welles Dave Wells Richard Welsh Martha Wessitsh Nick Whelan Peter White M.K. Whyte Nancy Willard Edwin Williams Melisa Williams Harvey Wilson Ken Wilson Ken Windler Katie Winslow N O Richard Winslow Carolyn Wood David Wood Patricia Woodworth Patrick Woodworth Jim Yampolsky Bob Zeiss CORPORATIONS & FOUNDATIONS Bank of America Charles Schwab Corporation Foundation Eagle Optics GMAC­RFC Head­Royce School IBM Corporation Kowa Optimed, Inc. Madison Images Marin Community Foundation Motorola Foundation Pacific Gas & Electric Co. Point Reyes Seashore Lodge Ohlone Audubon Society United Way Wild Bird Center DAP CAMPAIGN Jeff Acuff Adobe Systems, Inc. Henry Altorfer Caryn & Joe Ansel Kendra Armer Michael Armer Loretta Armstrong Nikki Ausschnitt Cathy Bell Ardith Betts Robert & Marion Blumberg Gleneda Borton Davida Bushner Michael Butler Julia Camp Cephas & Annie Close Trust Jerry Connell Candace Davenport Tom Delebo JD Durst Janeann Erickson R S Amy Jo Fillin David Gregoire John Griffin Ann Heurlin Calvin Hom Tim Jesus Marcine Johnson Johnson & Johnson Barbara Jording Libby Kelly­McMahon Leslie Koenig Allison Kozak Allison Levin Mary Malec Charles Massen John McQuown Dennis Meehan Mary Morgan Mikiye Nakanishi John Odell Brian O'Laughlin Roy Pisetsky Jim Polkinghorn Bob Power Donald Reinberg Barbara & Duane Robinson Siobhan Ruck Ann Ruffer Ashley & Jack Turner Brian Smucker Tate & Curtis Snyder Polly Strahan Jan Sutcher Synovus Trust Bill Trione John Ungar United Way Dave Wells Kenneth Wilson Beth Wommack David Wood Jim Yampolsky IN HONOR ­of Russ DeLong’s 25 years as a bander Davida Bushner
G G R O S E A S O N S U M M A R Y 2 0 0 8 • 1 3 G G R O S E A S O N S U M M A R Y 2 0 0 8 • 1 4 47 508 602 0 39 0 1 453 0 0 0 61 26 1 3 0 1,741 146 4,395 6,194 4 143 13 2 5,392 2 3 2 570 148 40 14 0 17,068 Northern Harrier Sharp­shinned Hawk Cooper’s Hawk Northern Goshawk Red­shouldered Hawk Broad­winged Hawk Swainson’s Hawk Red­tailed Hawk Ferruginous Hawk Rough­legged Hawk Golden Eagle American Kestrel Merlin Peregrine Falcon Prairie Falcon Eurasian Kestrel Total 1,374 0 1 4 14 60 0 0 0 202 0 1 13 0 449 628 2 2003 1,802 0 6 5 29 62 0 0 0 489 0 0 18 0 719 461 13 2004 1,621 0 3 4 56 63 0 0 0 121 0 3 9 0 686 676 0 2005 2,182 0 1 3 57 90 0 1 0 381 3 3 27 0 829 767 20 2006 2,243 1 1 5 51 59 0 1 0 452 2 0 24 1 1048 583 15 2007 1,526 0 3 10 27 38 0 0 0 276 0 0 17 0 504 646 5 2008 * Not to be cited except by permission of the GGRO; contact Buzz Hull at bhull@parksconservancy.org. Data compiled by Buzz Hull. 2008 data are through January 2, 2009. 2002 1983­2001 29,557
1 32 72 408 1,003 2 5 2 7,766 8 20 290 5 11,031 8,664 248 Total NUMBER OF RAPTORS BANDED 1983­2008, MARIN HEADLANDS* G G R O S E A S O N S U M M A R Y 2 0 0 8 • 1 5 549 9,519 138 59 6 559 2,476 1,998 3 279 89 4 7,750 23 14 20 473 103 177 3 1,537 25,231 45.9 529 9,357 81 69 7 1,369 6,348 3,015 1 424 235 3 12,520 22 19 20 694 147 95 4 2,151 36,573 69.1 Hours Turkey Vulture Osprey White­tailed Kite Bald Eagle Northern Harrier Sharp­shinned Hawk Cooper’s Hawk Northern Goshawk Red­shouldered Hawk Broad­winged Hawk Swainson’s Hawk Red­tailed Hawk Ferruginous Hawk Rough­legged Hawk Golden Eagle American Kestrel Merlin Peregrine Falcon Prairie Falcon Unidentified Total Raptor Activity 56.9 25,360 1,158 5 134 150 580 22 5 18 8,353 5 89 485 2 1,815 3,373 698 4 86 71 8,307 446 2001 69.9 36,646 1,358 12 105 208 670 21 12 34 12,194 9 180 677 0 2,769 5,844 1,318 4 79 106 11,046 524 2002 57.8 28,329** 1,233 12 220 170 694 14 1 14 6,986 8 123 288 1 2,018 5,208 352 4 63 133 10,786 490 2003 62.8 33,663 1,474 10 233 173 551 22 0 37 13,303 5 42 548 0 2,460 3,260 960 3 204 128 10,250 536 2004 56.0 25,461 1,442 5 218 198 627 13 4 33 7,272 4 146 149 0 2,426 4,406 459 6 66 110 7,876 455 2005 68.9 33,968 1,435 8 237 230 612 24 21 25 11,411 7 183 613 0 3,370 5,250 1,090 2 130 108 9,212 493 2006 63.7 33,362 1,383 4 181 140 378 38 10 13 11,872 12 70 512 4 3,722 4,636 1,002 2 71 90 9,222 524 2007 46.1
23,434** 903 7 223 184 377 18 4 15 6,836 1 131 559 2 1,951 4,087 457 6 69 88 7,515 508 2008 * Not to be cited except by permission of the GGRO; contact Buzz Hull at bhull@parksconservancy.org. Data compiled by Allen Fish. 2008 data are still under review. ** Includes 1 Mississippi Kite. (raptors per hour) 2000 1999 NUMBER OF RAPTOR SIGHTINGS 1999­2008, MARIN HEADLANDS* Golden Gate Raptor Observatory F o r t C r o n k h i t e , B u i l d i n g 1 0 6 4 S a u s a l i t o , C a l i f o r n i a 9 4 9 6 5 (415) 331­0730 • ggro@parksconservancy.org • www.ggro.org
G GR O Se as o n S u mm ar y 20 08 • V O L U N T E E R S H A W K W A T C H B A N D I N G T E L E M E T R Y O U T R E A C H D O N O R S • The Golden Gate Raptor Observatory is a program of the Golden Gate National Parks Conservancy in cooperation with the National Park Service. Printed on recycled and recyclable paper.