Just like the scientific name for a dog is canine, birds have a more scientific classification as well. Birds are referred to as Aves or Neornithes.
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The diet of birds often consists of seeds, plants, fruits, nectar, and small animals. While birds vary greatly in dietary patterns from one and other, these foods are eaten by a great majority of avian species.
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Birds will eat nuts, seeds, grains, and insects. They have a special yearning for earthworms, and will eat fruits and vegetables if they can't find seeds.
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Use this simple key to help identify birds in your backyard or on your visits to the Mississippi National River and Recreation Area.
http://www.nps.gov/miss/naturescience/birds.htm
In British slang: bird = girl US: a brick of cocaine
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raven, humming bird, roben, blackbird, . there are way more though.
http://wiki.answers.com/Q/What_are_names_of_birds
An Ornithologist is a is someone who studies birds scientifically and/or in art or illustrations. John Audubon is an example of someone in this profession. That's what you're called if you make a living watching birds! If it's just a hobby ...
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