Friday, 18 November 2011

Bird


Birds are animals that have feathers and that are born out of hard-shelled eggs.


 


Some people think that what makes an animal a bird is its wings. Bats have wings.  Flies have wings.  Bats and flies are not birds. So what makes an animal a bird?



Look at the features below, you will know what is a bird. 
Bird Features
1 Beak
2 Lay eggs
3 Wings
4 Feathers


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


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