Sea otters hold hands while sleeping so they don’t drift away from each other.
104
A dairy cow can produce more milk when listening to music.
446
Polar bear fur is not white, it's clear.
74
Ants began farming about 50 million years before humans thought to raise their own crops.
132
Cats and dogs can hear ultrasound.
350
Dolphins have names for one another.
18
Goldfish lose their color if they are kept in dim light or are placed in a body of running water, such as a stream.
12
