Birds
Birds are a group of backboned animals that includes about 30 groups such as albatrosses, gamebirds, herons, hummingbirds, owls, parrots, penguins, perching birds, woodpeckers and many others. There are between 9,000 and 10,000 species of birds alive today. The first birds evolved from reptiles during the Mesazoic Era about 150 million years ago. The articles listed below provide information about the characteristics, classification and evolution of birds.
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Saving the Spoon-Billed Sandpiper · 4 Dec 2010
The spoon-billed sandpiper is among the world's most endangered birds. Scientists estimate that there are only 450 to 1000 mature spoon-billed sandpipers remaining in the wild and their population is declining. Now, BirdLife International is raising funds...
