Cats and dogs can hear ultrasound.
350
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Cows can sleep standing up, but they can only dream lying down.
745
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Moths are unable to fly during an earthquake.
328
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10