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15 Cards in this Set
- Front
- Back
what adaptions do raptors have for catching bats? |
binocular vision, sharp talons, large size |
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what adaptions do bee-eaters have for catching bees? |
long bills, rubbing bee against perch or nipping bees abdomen to discharge sting |
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Besides birds, what other animals can fly? |
insects, bats, pterosaurs |
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what was the name of the first bird? characteristics? |
Archaeopteryx. Strong legs, jaw/teeth, boney tail |
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What are 2 competing hypotheses for how flight evolved? |
Cursorial- ground up (jumper, climber, flyer) |
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T or F there's no living bird w/ claws |
F. Hoatzin, had claws on wings |
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What was the "Terror Bird" |
50,000,000 yrs old Flightless bird, long powerful legs, huge beak |
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What adaptions does the ostrich have to escape predators? |
Run up to 40mph, safety in numbers |
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Why do ostriches eat pebbles? |
To help grind up their food |
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What is the cost of flying? Why do some species lose their ability to fly over time? |
Takes huge amounts of energy. Evolution |
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Why don't New Zealand birds fear humans? |
They haven't learned that mammals are dangerous |
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What roles have New Zealand birds (both living and extinct) taken in the absence of mammals? |
Able to adapt diets of missing mammals |
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What were the largest birds? How large were they? |
Moa/ 6ft 2m, 400lbs |
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Describe the effect the arrival of mammals had on New Zealand birds |
Humans hunted moas to extinction |
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