Exam 21: Avian Anatomy and Physiology

The syrinx is also known as the

Heterophils in avian blood are equivalent to __ in mammalian blood.

What type of newly hatched chicks is covered with downy feathers, has its eyes open, and is quickly mobile?

The flight feathers in the wing are called

The bursa of Fabricius stimulates the production of

The gape of a bird determines the

Avian red blood cells differ from mammalian red blood cells in that they are

What bird can grind indigestible food components into a pellet that is regurgitated?

The main feather shaft of a contour feather is the

The three veins most often used for venipuncture in birds are the

A characteristic of white muscle is

Gular fluttering is a mechanism for

Which layer of the oviduct is called the shell gland?

Species of birds that lay only a specific number of eggs to incubate and won't lay more if those eggs are removed are

The quill of a feather is another name for the

What type of newly hatched chick is blind and bare-skinned when hatched?

A mute is ejected from the

What type of feather lacks a true shaft and provides insulation for the bird?

Most feather-picking results in feather loss on the

Which layer of the oviduct secretes layers of albumin around the egg?