Rattlesnake mating sessions have been known to last more than 22 hours.
232
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
Sharks, like other fish, have their reproductive organs in their chests.
248
A domestic cat can sprint at about 31 miles per hour.
274
The seahorse is the only fish to have a neck.
12
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9