When dragonflies mate, their tails form a love heart.
22
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
5
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
Cats recognise the voice of their owner, but never evolved to care.
22
Female kangaroos have three vaginas.
2
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8