Outline of birds

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House sparrow, Passer domesticus

The following outline is provided as an overview of and topical guide to birds:

Birds (class Aves) – winged, bipedal, endothermic (warm-blooded), egg-laying, vertebrate animals. There are around 10,000 living species, making them the most varied of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from the 5 cm (2 in) bee hummingbird to the 2.75 m (9 ft) ostrich.

What type of thing is a bird[edit]

A bird can be described as all of the following:

  • Life form – entity or being that is living or alive.
    • Animal – multicellular, eukaryotic organisms of the kingdom Animalia (also called Metazoa). Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their lives. Most animals are motile, meaning they can move spontaneously and independently.

Biological classification[edit]

Cladogram showing the most recent classification of Neoaves, based on several phylogenetic studies.
Further information: Biological classification

Nature of birds[edit]

Bird

Bird anatomy[edit]

External anatomy (topography) of a typical bird: 1 Beak, 2 Head, 3 Iris, 4 Pupil, 5 Mantle, 6 Lesser coverts, 7 Scapulars, 8 Coverts, 9 Tertials, 10 Rump, 11 Primaries, 12 Vent, 13 Thigh, 14 Tibio-tarsal articulation, 15 Tarsus, 16 Feet, 17 Tibia, 18 Belly, 19 Flanks, 20 Breast, 21 Throat, 22 Wattle, 23 Eyestripe

Bird anatomy

Bird behavior[edit]

Bird behavior

Types of birds[edit]

Orders[edit]

Families[edit]

Subfamilies[edit]


Genera[edit]

History of birds[edit]

Study of birds[edit]

Main articles: Ornithology

Aviculture[edit]

Aviculture

Bird diseases and parasites[edit]

Main category: Bird diseases

Threats and conservation[edit]

Persons influential in the field of birds[edit]

Artists[edit]

Main category: Bird artists

Ornithologists[edit]

List of ornithologists

Writers[edit]

Birds in culture[edit]

See also[edit]

References[edit]

External links[edit]