Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
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When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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