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The ibis (/ ˈ aɪ b ɪ s /) (collective plural ibises; [1] classical plurals ibides [2] [3] and ibes [3]) are a group of long-legged wading birds in the family Threskiornithidae that inhabit wetlands, forests and plains. [4] "Ibis" derives from the Latin and Ancient Greek word for this group of birds.
Also included are articles relating to the study (ornithology) and the keeping of birds, articles on ornithological organisations, biographies of notable ornithologists and their works, and lists of birds found in various human-defined areas (i.e. countries, states/provinces, counties, etc.). Related projects
The first classification of birds was developed by Francis Willughby and John Ray in their 1676 volume Ornithologiae. [6] Carl Linnaeus modified that work in 1758 to devise the taxonomic classification system currently in use. [7] Birds are categorised as the biological class Aves in Linnaean taxonomy.
This article lists living orders and families 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.
Accipitriformes (hawks, eagles, vultures, and kites) Anseriformes (waterfowl) Apodiformes (swifts and hummingbirds) Caprimulgiformes (nightjars and relatives) Charadriiformes (gulls and relatives)
This category lists orders of birds (ending in "-formes") as categories, and pages dealing with certain (non-taxonomic) groups of birds. The first section links to categories listing lower taxonomic levels in birds. In the second section, higher categories such as superorders, and basal groups are listed.
Passerines, the "song birds". This is the largest order of birds and contains more than half of all birds. Family Acanthisittidae. Genus Acanthisitta - rifleman; Genus Xenicus - New Zealand wrens; Family Acanthizidae - scrubwrens, thornbills, and gerygones Genus Acanthiza – thornbill; Genus Acanthornis – scrubtit; Genus Aethomyias ...
Birds live worldwide and range in size from the 5.5 cm (2.2 in) bee hummingbird to the 2.8 m (9 ft 2 in) common ostrich. There are over 11,000 living species and they are split into 44 orders . More than half are passerine or "perching" birds.