Animal Life

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Tropical Rainforest

Ecology

Rainforest Animal Life

Rainforest Mammals: Monkeys

 Capuchin – most commonly seen monkey; medium size brown to black body; pale face surrounded by whitish fur; move in troops; eat fruits, leaves, arthropods, & sometimes small mammals

Rainforest Mammals: Monkeys

 Spider – large size but very slender brown to black body; pale face surrounded by whitish fur; long prehensile tail; move in troops; eat fruits & leaves; brachiation

Rainforest Mammals: Monkeys

 Mantled howler – large robust size; black body w/tan on sides and back; bearded face; prehensile tail; loud voice @ dusk & dawn; primarily eat leaves; prefers canopy

Rainforest Mammals: Monkeys

Geoffrey’s tamarin – small and squirrel-like; long tail not prehensile; like forest gaps; eat insects & fruits; red nape & highly patterned body; often have twins

Rainforest Mammals:

Monkeys

 C.A. Squirrel – endangered species; smaller size w/extremely long black-tipped tail; white mask and ears; very active fruit eater

 Night monkeys – entirely nocturnal; tail not prehensile

Rainforest Mammals: Rodents

Agouti – diurnal; large & guinea piglike; tailless; sit upright to eat seeds

Rainforest Mammals: Rodents

Paca – nocturnal; near water; like large agouti w/white stripes

Rainforest Mammals:

Rodents

 Capybara – diurnal; largest rodent in the world; aquatic; feeds on aquatic vegetation

Spiny rat – nocturnal; spines in fur; on forest floor variegated squirrel – arboreal

Rainforest Mammals:

Peccaries

 Collared – smaller size and herds; pig-like; collar of hair at shoulder; roots for food

 White-lipped – larger size and herd; white hair around mouth; eats larger hardened fruits (e.g. palm fruits)

Rainforest Mammals

Baird’s tapir – odd-toed ungulate; almost hairless; long proboscis; eat only vegetable matter; most active at night

Rainforest Mammals

 Anteaters – sharp curved claws; long sticky tongue; long snout

Northern tamandua – prehensile tail

Giant anteater - large size; bushy tail

Rainforest Mammals

 Three-toed sloth

 two-toed sloth

Rainforest Mammals: Raccoons &

Relatives

 Northern raccoon – longer pelage; lighter feet and legs

 Crab-eating raccoon – shorter pelage; darker feet and legs

 White-nosed Coati – highly pointed nose; holds faintly ringed tail straight up; omnivorous

Rainforest Mammals: Raccoons Relatives

 Kinkajou – already discussed

 Olingo – faintly ringed tail, not prehensile

Rainforest Mammals: Weasel Relatives

 Tayra – black bushy tail

 Grison – black face w/white stripe across forehead and ears; carnivore

Rainforest Mammals:

Cats

 Jaguar & Ocelot

 Margay – small nocturnal spotted cat; climber; carnivorous

 Jaguarundi – diurnal & common; not a climber; not spotted

Rainforest Mammals: Opposums

 descent diversity exists in this group of marsupials due to adaptive radiation

 Virginia, woolly, mouse, four-eyed, short bare-tailed, & water opposums

Rainforest Reptiles:

Pitvipers

 All are poisonous

 Tend to be secretive and nocturnal

 Not frequently encountered

 Pits for detecting warm-blooded prey

 Retractable fangs to deliver venom

 Slit pupils

 Many non-poisonous snakes in the neotropics will mimic pitvipers, so always err on the side of caution

Rainforest Reptiles:

Pitvipers

 Fer-de-lance – large (4-8 ft.); arrowhead-shaped head; tan w/dark brown diamond pattern; tend to hunt @ night; extremely poisonous

Rainforest Reptiles:

Pitvipers

 Eyelash palm-pitviper – eye scales; highly variable in color; arboreal; prehensile tail; feeds on tree frogs, anoles & hummingbirds

Rainforest Reptiles:

Pitvipers

 Jumping pitviper – short & thick; alleged to hurl itself when threatened; venom not as potent as most

Rainforest Reptiles:

Pitvipers

 Bushmaster – largest pitviper in the world, 6.5-

14 ft.; often coil at bases of large trees; typically nocturnal

Rainforest Reptiles:

Coral Snakes

 Poisonous

 Brightly colored red, yellow, & black bands

 Small fangs to chew in venom

 Neurotoxic venom

 Round pupils

 Active both day & night

Rainforest Reptiles:

Boas

 Non-poisonous

 Constrictors

 Elongated heads

 Boa constrictor – larger (5-6 ft.)

 Rainbow boa – smaller (3 ft.)

Rainforest Reptiles:

Other Non-poisonous Snakes

 Vine snakes – very thin; feed on lizards

 Indigo snake – up to 10 ft. long; gloss black

Rainforest Reptiles:

Other Non-poisonous Snakes

 Chunk-headed snake – extremely thin w/big head & eyes; arboreal

Rainforest Reptiles:

Lizards

 Iguanas – large & common (already discussed)

 Anoles – small; sharply pointed nose

 Basilisk (JC lizard) – common; run fast up on hind legs

Rainforest Reptiles:

Lizards

 Tegus – some of largest lizards in neotropics; eat small animals (chickens)

- common, northern, & red species

Rainforest Reptiles:

Lizards

 Geckos – small, suction cup toes; extremely common, arthropod eaters

Rainforest Amphibians:

Frogs

 Tree frogs – small; arboreal; have suction cup toes; some camouflaged, some brightly colored

Gaudy leaf frog – one of most well known species

Rainforest Amphibians:

Frogs

 Poison dart tree frogs

Rainforest Amphibians:

Frogs

 Glass tree frog

 Giant cane toad

 Smokey frog

Rainforest Invertebrates:

Insects

 Termites – social; form massive colonies on trees; mutualism with protozoa

 Army ants – already discussed

Rainforest Invertebrates:

Insects

 Giant tropical ant (bullet ant) – tend to be solitary; both terrestrial & arboreal; extremely potent sting

Rainforest Invertebrates:

Insects

 Giant tropical cockroach – very large; nocturnal; common near bat guano

Rainforest Invertebrates:

Insects

 Harlequin beetle – very large w/long antennae; wood borer

Rainforest Invertebrates:

Insects

 Rhinoceros beetle – very large; males w/long horn; wood-feeding grub

Rainforest Invertebrates:

Insects

 Lantern fly – very large; plant sap feeder; multiple defense mechanisms

Rainforest Invertebrates:

Insects

 Owl butterfly

 Black witch moth

Rainforest Invertebrates:

Insects

 Blue morpho

 Butterfly congregations at liquids

Rainforest Invertebrates:

Other Arthropods

 Forest floor millipede – non-poisonous; herbivore; repugnatorial glands

 Peripatus – “velvet worms”; non-poisonous; capture prey w/glue

Rainforest Vertebrates:

Birds

 Oilbirds – nocturnal; cave dweller

 Tinamou

Rainforest Vertebrates:

Birds

 Chachalaca –

 Guan –

 Curassow -

Rainforest Vertebrates:

Birds

 Toucan –

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