DEFINITIONS AND KEY POINTS FOR OBJECTIVES IN BIRDS

DEFINITIONS AND KEY POINTS FOR OBJECTIVES IN BIRDS

TERMS	DEFINITIONS
Plumage	The covering of leathers on a bird is called the plumage.
Preening	Preening keeps the feathers smooth, clean and in place. Preening is done by rubbing the bill over the leathers.
Anting	In this case, the bird picks up ants in the bill and rubs them over the feathers.
Iridescence	The flattening and twisting of barbules causes the diffraction of

	light. It causes iridescence
Molting	The process of shedding and replacement of feathers is called molting.
Soaring	Soaring flight allows sonic birds to remain in air without spending much energy.
Gliding	The wings remain stationary during gliding height and the bird loses altitude
Counter current flow	The opposite floss of blood and air which maximize gas exchange is called counter current flow.
Panting	The remove of heat through rapid breathing is called panting
Bird of prey	The carnivorous birds arc called bird of prey. e.g. Hawks, vultures.
Monocular vision	A vision based on single perception is called monocular vision
Binocular vision	A vision based on double perception is called binocular vision
Monogamy	A single male pairs with a single female
Polygyny	A single male mate with many females
Polyandry	A single female mate with many males
Clutch	The group of eggs laid and chicks produced by a female is called a clutch.
Altricial	The young that are entirely dependent on their parents are called altricial.
Preeocial	Precocial young are alert and lively at hatching. They are covered with down feathers.
Migrations	The periodic round trips of birds between breeding and non‑breeding areas are called migration.

You Missed