Human-dolphin altrui
- For centuries, the Imraguen tribe has depended on dolphins to push migrating mullet into their net
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Coral reef fish dang
BBC 'Blue Planet - Deep Trouble' team explain the environmental dangers facing the world's
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Nature's Perfect
56 razor sharp teeth help this predator eat 500 lbs of meat per day. Learn why this animal has earne
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Whale song
Researchers studying migrating humpbacks off the east coast of Australia say they have recorded the
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