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
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
Cats and dogs can hear ultrasound.
350
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4