Penguins: The Birds That Wanted to Be Fish | Teachers TV

November 4th, 2008

Penguins: The Birds That Wanted to Be Fish. We have detected that you are accessing this website from outside the United Kingdom. Unfortunately, rights have not been granted for international streaming and downloading of this programme.

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Penguins: The Birds That Wanted to Be Fish | Teachers TV

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    Birds (class Aves) are winged, bipedal, endothermic (warm-blooded), egg-laying, vertebrate animals. There are around 10,000 living species, making them the most varied of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic.

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