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Bird ringing is the term used in the UK and in some other parts of Europe, while the term bird banding is more often used in the U.S. and Australia. [49] bird strike The impact of a bird or birds with an airplane in flight. [50] body down The layer of small, fluffy down feathers that lie underneath the outer contour feathers on a bird's body. [51]
Grebes are small to medium-large in size ranging from the least grebe (Tachybaptus dominicus), at 120 g (4.2 oz) and 23.5 cm (9.3 in), to the great grebe (Podiceps major), at 1.7 kg (3.7 lb) and 71 cm (28 in). Despite these size differences grebes are a homogenous family of waterbirds with very few or slight differences among the genera.
Grebes are small to medium-large freshwater diving birds. They have lobed toes and are excellent swimmers and divers. However, they have their feet placed far back on the body, making them quite ungainly on land. Three species have been regularly recorded in Australia, and a fourth is a vagrant. Australasian grebe
Auks or alcids are birds of the family Alcidae in the order Charadriiformes. [1] The alcid family includes the murres , guillemots , auklets , puffins , and murrelets . The family contains 25 extant or recently extinct species that are divided into 11 genera.
The birds of Asia are diverse. The avifauna of Asia includes 3845 species. The avifauna of Asia includes 3845 species. The taxonomy of this list adheres to James Clements ' Birds of the World: A Checklist , 2022 edition.
This is a list of bird species recorded in South America. South America is the "Bird Continent": It boasts records of 3492 species, more than any other. (Much larger Eurasia is second with 3467.) Colombia's list alone numbers 1910 confirmed species, and both Brazil's and Peru's confirmed lists also exceed 1860.
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Plunge-diving is a special form of foraging that involves a transition from air to water. [citation needed] Plunge-diving birds are notable for their beaks, necks, and morphing wings. Plunge-diving birds generally have a higher beak angle ratio than others. [5] Beak angle ratio is defined as the top angle divided by the side angle.