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Because they fly, there bones need to be hollow to cut down on there weight.
Wiki User
∙ 13y ago
Wiki User
∙ 12y agoSo they can fly
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What album did total immortal by AFI come from?
All Hallow's EP
When was Billy Bones created?
Billy Bones was created in 1883.
What page in the the dethly hallow does Voldemort die ort?
Voldemort dies on page 595 in the Australian version but in other versions I've really got no idea.
Who was Mitch Brenner buying the love birds for in The Birds?
in the movie the birds mitch brenner was buying them barney the dinosaur.
Why don't our bones wear down?
They do wear down, your bones are not rock or metal.
What group of animals have hallow bones and feathers?
birds!
Do hallow bones help birds fly?
Yes they make the bird lighter.
How does a birds hallow bones affect flight?
It helps them be light enough to fly
Are birds the only animals with hallow bones?
Most birds -- and all birds that fly -- have semi-hollow bones. Most reptiles, however, do not.
Why are birds poorly represented in the fossil record?
In order for birds to fly they need light and often hallow bones. Because of this they can easily be broken and do not easily form fossils.
What are two answers why birds fly?
firs because they have hallow bones that allows them to fly and so they can get away from things that will try to eat them
How do birds get energy?
Birds get there energy for eating, they digest the food that gives them energy. They can fly by having hallow bones, they use there energy as efficiently as possible so they can fly for long periods of time.
What is the difference between birds that fly and birds that don't fly?
There is no such thing as a dinosaur that flys. The difference between a pteradoctyl and a bird is: Birds have feathers and pteradoctyl's don't. The difference between a oviraptor and a bird is: Oviraptor have hands and birds have wings.
What does a bird have that no other animal type have?
Hallow Bones...feathers...
Do tall people have hollow bones?
Yes they have hallow bones because some of them suffer from marfan
Why are birds' bones hollow?
because they are tiney birds
What advantage do you gain from the fact that bones are hallow?
We can move around easily
