Biography of birds

Identify bird by picture

Birds are a group of warm-blooded vertebrates constituting the class Aves, 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.

biography of birds

Classification of birds from kingdom to species

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Bird identification by description

Charles Darwin and Alfred Wallace (s) – “survival of the fittest” Under the process of natural selection, individual birds with advantageous traits, will on average, exhibit higher survival and .
Birds scientific name
Many extremely useful summary tables are presented, such as “Families of landbirds endemic to each zoological region,” “Numbers of bird species per family in different .