Movement of tadpoles within vocal sacs of Darwin's frogs

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Selection of male pregnant Darwin's frogs (R. darwinii) showing tadpole movements within the vocal sac. Filmed and produced by EDGE Fellow Claudio Soto-Azat.

Goal: 7000 tigers in the wild

Tiger range countries map

 

"Tiger map" (CC BY 2.5) by Sanderson et al., 2006.

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