The largest earthworm on record was found in South Africa and measured 22 feet.
151
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
A scorpion can hold its breath for up to 6 days.
19
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19