The hollow part of a bird is called the airsac.
Yes all birds have hollow bones though reptiles dont
The base of a feather is called the quill, or calamus. This part is typically hollow and serves as the foundation from which the rest of the feather grows. The quill anchors the feather to the bird's skin or follicle, providing structural support.
the neck
They are hollow and light.
yes
called a What_type_of_fossil_is_found_in_a_hollow_place_shaped_like_an_organism.
The hollow at the base of the throat is called the supra-sternal notch.
marrpw
Are Hollow.
Wings and Hollow Bones
Any bird's beak is also called its bill.
If the quill is not hollow the feathers would be too heavy and the bird would not be able to fly