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.

Similar Articles:

Leave a Reply

Your email address will not be published. Required fields are marked *