Quinarian system
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The quinarian system was a method of zoological classification which was popular in the mid 19th century, especially among British naturalists. It was largely developed by the entomologist William Sha
Swainson's Quinarian structure of birds
Nicholas Aylward Vigors's Quinarian classification of birds. The missing entries represented groups that he expected remained to be discovered.
William Swainson's arrangement of the insects, with analogies to the vertebrates
Ornithology
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Ornithology is a branch of zoology dedicated to the study of birds. Several aspects of ornithology differ from related disciplines, due partly to the high visibility and the aesthetic appeal of birds.
Quinarian system
…Macleay in 1819. The system was further promoted in the works of Nicholas Aylward Vigors, William Swainson and Johann Jakob Kaup. Swainson's work on ornithology gave wide publicity to the idea. The system had opponents even before the publication of Charles Darwin's On the Origin of Species (1859), which paved…
A marbled godwit being ringed for studies on bird migration
A collection of bird skins, belonging to the family Cotingidae
Geese from a wall panel from the tomb of Nefermaat, Egypt c. 2575–2551 BC
Belon's comparison of birds and humans in his Book of Birds, 1555