Bird

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Birds
A composite image shawin the diversity o birds; 18 biological orders are depictit in this image (frae tap, left tae richt): Cuculiformes, Ciconiiformes, Phaethontiformes, Accipitriformes, Gruiformes, Galliformes, Anseriformes, Trochiliformes, Charadriiformes, Casuariiformes, Psittaciformes, Phoenicopteriformes, Sphenisciformes, Pelecaniformes, Suliformes, Coraciiformes, Strigiformes, Piciformes.
Scienteefic classification e
Kingdom: Animalia
Phylum: Chordata
Superclass: Tetrapoda
Clade: Eumaniraptora
Clade: Avialae
Gauthier, 1986
Class: Aves
Linnaeus, 1758[1]
Subclasses

An see text

Birds (class Aves) are feathered, weenged, bipedal, endothermic (warm-bluided), egg-layin, vertebrate ainimals.

Thair banes are hollae. This maks thaim lichter an allous mony o thaim tae fly. Birds hae twa legs for ordinar kivered wi scales (wee, flet haird plates that ower-lap in the same wey as feathers). Thay hae a haird beak/neb wi nae teeth. Acause birds keep a heich bouk temperatur, thay uise muckle energy. Sae, thay need tae eat a lot o fuid compared wi thair wecht. Mair nor 9,000 different speshie o birds are kent.[2]

Birds are fund on ivery continent o the warld. Birds o different kynds can leeve in freezin cauld environments, an ithers can leeve in hot deserts. Birds leeve in forests, in meidaes, on cliff faces, in river baunks, on stany sea shores, doun mine shafts an in the ruives o hooses.

References[eedit | eedit soorce]

  1. Brands, Sheila (14 August 2008). "Systema Naturae 2000 / Classification, Class Aves". Project: The Taxonomicon. Retrieved 11 June 2012. 
  2. del Hoyo, Josep; Andy Elliott & Jordi Sargatal (1992). Handbook of birds of the World. Barcelona: Lynx Edicions. ISBN 84-87334-10-5.