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
When cats are happy, they may squeeze their eyes shut.
10
Dogs sometimes fake being sick to get attention.
26
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Cats sleep for 70% of their lives.
8
The seahorse is the only fish to have a neck.
12