CH 19 Birds

Large wings, hooked beak, and strong talons are typical of __:

• perching birds

• raptors

• waterfowl

• seabirds

A bird without down feathers probably wouldn't last very long. WHat would be the most likely cause of death?

• being eatern by a predator

• lack of water

• lack of food

• freezing to death

What prevents a bird from overheating?

• sweat glands

• gizzard

• air sacs

• syrinx

Since birds don't have a bladder, a bird's kidneys release its nitrogenous wastes into its ____.

• crop

• gizzard

• cloaca

• syrinx

Which term best describes the typical feather pattern and coloration of a female bird compared to the male?

• brighter

• identical

• duller

• more colorful

Where are migrating birds likely to breed?

• near the Polar regions

• near the Equator

• in the middle of their migration

• at any point in their migration

A feather's vane is composed of hundreds of:

• barbs

• barbules

• hooks

• quills

The rows that compose the feathers vane are held together by overlapping:

• barbs

• barbules

• hooks

• quills

The outer layer of a bird's feathers are"

• downy

• flight

• contour

• wispy

A bird such as the wandering albatross can spend weeks flying over the ocean. Its wings are probably ____ wings.

• wading

• soaring

• diving

• swimming