Cats and dogs can hear ultrasound.
350
Parrot parents "name" their children with a signature call.
112
Dogs sometimes fake being sick to get attention.
26
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46