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A small, freely-moving projection on the anterior edge of the wing of modern birds (and a few non-avian dinosaurs)—a bird's "thumb"—the word is Latin and means 'winglet'; it is the diminutive of ala, meaning 'wing'. Alula typically bear three to five small flight feathers, with the exact number depending on the species.
Home aviary, Néthen, Belgium, non-commercial wooden construction. An aviary is a large enclosure for confining birds, although bats may also be considered for display. Unlike birdcages, aviaries allow birds a larger living space where they can fly; hence, aviaries are also sometimes known as flight cages in the United Kingdom.
An aviary (avis = bird) is a large enclosure for birds or other flying, gliding or swinging arboreal animals such as butterflies, bats, flying squirrels or primates. An aviary accommodates the birds' in-flight turning radius, whereas a flight cage restricts the bird to linear flight.
In this list of birds by common name 11,278 extant and recently extinct (since 1500) bird species are recognised. [1] Species marked with a "†" are extinct.
Birds navigate during migration using a variety of methods. For diurnal migrants, the sun is used to navigate by day, and a stellar compass is used at night. Birds that use the sun compensate for the changing position of the sun during the day by the use of an internal clock. [77]
A pen is an enclosure for holding livestock. It may also perhaps be used as a term for an enclosure for other animals such as pets that are unwanted inside the house. The term describes types of enclosures that may confine one or many animals.
A nest box, also spelled nestbox, is a man-made enclosure provided for animals to nest in. Nest boxes are most frequently utilized for birds, in which case they are also called birdhouses or a birdbox/bird box, but some mammals such as bats may also use them. Placing nestboxes or roosting boxes may also be used to help maintain populations of ...
In falconry, a mews is a birdhouse designed to house one or more birds of prey. [1] [2] In falconry there are two types of mews: the freeloft mews and traditional mews. Traditional mews usually consist of partitioned spaces designed to keep tethered birds separated with perches for each bird in the partitioned space.