alternative owl pellet lab

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Names __________________________________ Date ___________ Period ___________
Owl Pellet Lab make up lab
1. Go to: http://www.kidwings.com/owlpellets/flash/v4/index.htm
2. Click on Pellet Information and read all of the questions and answers and read the
information on the getting pellets link
3. Click the more pellets link at the top of the page
4. Click on Barn Owl
5. Do the interactive dissection as directed
6. After the dissection click on “figure how many mice an owl family needs”
7. Write down your answers as you answer the questions for all 6 pellets
8. Answer the analysis questions below.
Analysis questions
1. What are owl pellets? ___________________________________________
2. How are owl Pellets formed? _______________________________________________
3. Do only Owls produce pellets? If no, give an example of another animal that produces
pellets.
_____________________________________________________________________
4. What important information can be obtained from owl pellets?
5. Assuming that the barn owl regurgitates one pellet per day, how many prey items would
the owl that produced your pellet consume per year? _______________
6. During the nesting season the young need an enormous amount of food for growth. If
the nest contains three young and each of the young eat five mice per night for a month
and the two adults eat four per night, how many mice would the parents have to capture
in 30 days? _________________
7. Create a hypothesis you might be able to test by studying owl pellets.
If
Then
Because
Names __________________________________ Date ___________ Period ___________
8. Create a food web containing all of the prey collected by the class. Place the owl at the
highest trophic level.
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