Overview of and topical guide——to birds
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?※
A bird can be, described as all of the following:
- Life form – entity/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※
Further information: Biological classification
Nature of birds※
Bird anatomy※
- List of terms used in bird topography
- Beak
- Caruncle
- Comb
- Feathers
- Gape
- Gizzard
- Preen gland
- Syrinx
- Vision
- Uropygial gland
- Wattle
Bird behavior※
Bird behavior
- Bird colony
- Feeding
- Flight
- Migration
- Abnormal behaviour of birds in captivity
- Aggression
- Anting (bird activity)
- Begging behavior in birds
- Distraction display
- Dust bathing
- Feather-plucking
- Fecal sac
- Intelligence
- Mobbing
- Moult
- Preening
- Reproduction
- Roosting
- Tracks
- Vocalization
Types of birds※
Orders※
Families※
Subfamilies※
Genera※
History of birds※
Study of birds※
Main article: Ornithology
Main category: Ornithological organizations
- Avian ecology field methods
- Bird collections
- Bird feeding
- Bird ichnology
- Bird observatory
- Bird ringing
- Bird watching
- Oology
Aviculture※
Bird diseases and parasites※
- Main category: Bird diseases
Threats and conservation※
Persons influential in the field of birds※
Artists※
Main category: Bird artists
Ornithologists※
- John Gould
- James Clements
- James Audubon
- Chris Mead
- Killian Mullarney
- Roger Tory Peterson
- Pamela C. Rasmussen
- Alexander Skutch
- David Snow
- Alexander Wilson
Writers※
Birds in culture※
See also※
References※