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15 Cards in this Set

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  • Back

what adaptions do raptors have for catching bats?

binocular vision, sharp talons, large size

what adaptions do bee-eaters have for catching bees?

long bills, rubbing bee against perch or nipping bees abdomen to discharge sting

Besides birds, what other animals can fly?

insects, bats, pterosaurs

what was the name of the first bird? characteristics?

Archaeopteryx. Strong legs, jaw/teeth, boney tail

What are 2 competing hypotheses for how flight evolved?

Cursorial- ground up (jumper, climber, flyer)
Arboreal- trees down (climber, jumper, flyer)

T or F there's no living bird w/ claws

F. Hoatzin, had claws on wings

What was the "Terror Bird"

50,000,000 yrs old


Flightless bird, long powerful legs, huge beak

What adaptions does the ostrich have to escape predators?

Run up to 40mph, safety in numbers

Why do ostriches eat pebbles?

To help grind up their food

What is the cost of flying? Why do some species lose their ability to fly over time?

Takes huge amounts of energy.




Evolution

Why don't New Zealand birds fear humans?

They haven't learned that mammals are dangerous

What roles have New Zealand birds (both living and extinct) taken in the absence of mammals?

Able to adapt diets of missing mammals

What were the largest birds? How large were they?

Moa/ 6ft 2m, 400lbs

Describe the effect the arrival of mammals had on New Zealand birds

Humans hunted moas to extinction