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Natural Learning Complete Bird Encyclopedia

 
Info about multimedia encyclopedia, animal encyclopedia.

Natural Learning Complete Bird Encyclopedia

Natural Learning

Birds of the World is a complete multimedia encyclopedia designed to guide you through an incredible learning experience.

The CD-ROM contains information on hundreds of Avian species with a vast library of high-res images, digital video and species specific information. Bird species can be selected by any number of categories along with their habitats, food requirements, migratory paths, or other combination of features.

Pick your selection and view the information, or let the CD guide you through an interactive learning experience. From beginner to advanced, this CD is a must for anyone interested in our bird families.

animal encyclopedia - Bird

Birds are bipedal, warm-blooded, egg-laying vertebrates characterized primarily by feathers, forelimbs modified as wings, and hollow bones.

Natural Learning Complete Bird EncyclopediaBirds animal encyclopedia range in size from the tiny hummingbirds to the huge Ostrich and Emu. Depending on taxonomic viewpoint, there are about 8,800¨C10,200 living bird species (plus about 120¨C130 that have become extinct in the span of human history) in the world, making them the most diverse class of terrestrial vertebrates.

animal encyclopedia - Birds are a very differentiated class, with some feeding on nectar, plants, seeds, insects, rodents, fish, carrion, or other birds. Most birds are diurnal, or active during the day. Some birds, such as the owls and nightjars, are nocturnal or crepuscular (active during twilight hours). Many birds migrate long distances to utilise optimum habitats (e.g., Arctic Tern) while others spend almost all their time at sea (e.g. the Wandering Albatross). Some, such as frigatebirds, stay aloft for days at a time, even sleeping on the wing.

Common characteristics of birds include a bony beak with no teeth, the laying of hard-shelled eggs, high metabolic rate, and a light but strong skeletons. Most birds are characterised by flight, though the ratites are flightless, and several other species, particularly on islands, have also lost this ability. Flightless birds include the penguins, Ostrich, kiwi, and the extinct Dodo. Flightless species are vulnerable to extinction when humans or the mammals they introduce arrive in their habitat, for example the Great Auk, flightless rails, and the moa of New Zealand.

More info about animal encyclopedia, please visit CD Access.




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