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  2. Glossary of bird terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_bird_terms

    Birds may be classified by terms related to the types of foods they forage for and eat. [141] The -vore suffix is derived from the Latin vorare, meaning 'to devour'. Equivalent adjectives can be formed through use of the suffix -vorous. [142] For example, granivore (n.) / granivorous (adj.). Generally, classification terms are used based on ...

  3. Bird - Wikipedia

    en.wikipedia.org/wiki/Bird

    As scientists have discovered more theropods closely related to birds, the previously clear distinction between non-birds and birds has become blurred. By the 2000s, discoveries in the Liaoning Province of northeast China, which demonstrated many small theropod feathered dinosaurs, contributed to this ambiguity. [24] [25] [26]

  4. Origin of birds - Wikipedia

    en.wikipedia.org/wiki/Origin_of_birds

    A turning point came in the early twentieth century with the writings of Gerhard Heilmann of Denmark.An artist by trade, Heilmann had a scholarly interest in birds and from 1913 to 1916, expanding on earlier work by Othenio Abel, [12] published the results of his research in several parts, dealing with the anatomy, embryology, behavior, paleontology, and evolution of birds. [13]

  5. Experts are anxious that bird flu could become airborne - AOL

    www.aol.com/news/experts-anxious-bird-flu-could...

    Doug Corwin, owner of Crescent Duck Farm, carries a female duck used for breeding in 2014 in Aquebogue, New York. Millions of birds have been killed in response to the spread of H5N1 bird flu.

  6. Do These Birds Think the Deer is a Tree? - AOL

    www.aol.com/birds-think-deer-tree-090000189.html

    Take deer and birds, for example. Deer let birds land on them and pick through A large animal like a buffalo allows smaller animals like birds to pick through their fur while remaining unbothered.

  7. Ornithology - Wikipedia

    en.wikipedia.org/wiki/Ornithology

    Ornithology is a branch of zoology that concerns the study of birds. [1] Several aspects of ornithology differ from related disciplines, due partly to the high visibility and the aesthetic appeal of birds. [2]

  8. Evolution of birds - Wikipedia

    en.wikipedia.org/wiki/Evolution_of_birds

    The evolution of birds began in the Jurassic Period, with the earliest birds derived from a clade of theropod dinosaurs named Paraves. [1] Birds are categorized as a biological class, Aves. For more than a century, the small theropod dinosaur Archaeopteryx lithographica from the Late Jurassic period was considered to have been the earliest bird.

  9. List of birds - Wikipedia

    en.wikipedia.org/wiki/List_of_birds

    In total there are about 11,000 species of birds described as of 2024, [1] though one estimate of the real number places it at almost 20,000. [2] The order passerines (perching birds) alone accounts for well over 5,000 species.