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The Birds Portal. Birds are a group of warm-blooded vertebrates constituting the class Aves (/ ˈeɪviːz /), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
In this list of birds by common name, a total of 10,976 extant and recently extinct (since 1500) bird species are recognised. Species marked with a "†" are extinct. Species marked with a "†" are extinct.
List of birds of Ontario. The common loon is the official provincial bird of Ontario. This list of birds of Ontario includes all the bird species recorded in the Canadian province of Ontario as determined by the Ontario Bird Records Committee (OBRC). As of July 2021 there were 508 species on this list, 291 of which are known to breed in the ...
This is a list of the bird species recorded in Italy. The avifauna of Italy included a total of 577 species recorded in the wild by March 2024, according to Avibase. Of these species, 13 have been introduced by humans, one has been extirpated , and four others have not been recorded since before 1950.
The anatomy of bird's respiratory system, showing the relationships of the trachea, primary and intra-pulmonary bronchi, the dorso- and ventro-bronchi, with the parabronchi running between the two. The posterior and anterior air sacs are also indicated, but not to scale. Inhalation–exhalation cycle in birds.
Hummingbirds are small birds capable of hovering in mid-air due to the rapid flapping of their wings. They are the only birds that can fly backwards. Ten species have been recorded in South Carolina. Blue-throated mountain-gem, Lampornis clemenciae (P1) (R) Ruby-throated hummingbird, Archilochus colubris.
Cranes are a type of large bird with long legs and necks in the biological family Gruidae of the order Gruiformes. The family has 15 species placed in four genera which are Antigone, Balearica, Leucogeranus, and Grus. [1] They are large birds with long necks and legs, a tapering form, and long secondary feathers on the wing that project over ...
Pangalloanserae (fowl) Neoaves. Synonyms. Neornithes Gadow, 1883. Birds are a group of warm-blooded vertebrates constituting the class Aves (/ ˈeɪviːz /), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
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