They are beyond doubt the most fascinating and colourful creatures that have ever lived on our planet. For times immemorial, birds have been used by man. Cock fights were a common form of entertainment while parrots were kept as house pets. A bird is a warm blooded ,air breathing bipedal vertebrate with feathers all over the body. In birds the forelimbs are modified into wings that usually facilitate in flying, in some cases however the wings are underdeveloped and become useless for flight e.g. ostrich, penguins, kiwi etc.
All birds lay eggs that are then incubated to let the young ones hatch out.
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