Exam 22: Birds of a Feather

Which of the following describes the syrinx in birds?

As part of a bird's musculoskeletal system, the ____________________ is the sternum or breastbone.

In the __________ __________ method of raising chickens, the hens are kept confined as they produce eggs.

What is the name for the bony termination of the vertebral column in birds where tail feathers attach?

____________________, tiny passages in birds' lungs, are the primary sites of gas exchange between the air and blood.

In birds, the areas or tracts of skin that lack feathers or down are called:

Which of the following is the term for the rope-like structure that holds the yolk to the center of the egg?

Define the underlined terms in the following case study. An owner presented for examination a hand-raised specimen of psittacine type. The owner reported that the bird, which had lateral tail feathers and brightly colored plume , had been experiencing problems with its syrinx .

What kind of skin is tanned into leather and typically used to make boots?

Emu ____________________, which is produced from emu fat, is used in pharmaceuticals and cosmetics.

Blood or ____________________ feathers have blood flowing through them and can grow as new feathers or replace molted ones.

In birds, the ____________________ is the rectal opening into the cloaca.

Define the underlined terms in the following case study. Called upon to conduct a site assessment of an emu and rhea operation, a traveling veterinarian noted a number of broilers in the brood . Particularly in specimens of the latter, the veterinarian documented evidence of debeaking .

____________________ is the term for the feather tract of birds.