When dragonflies mate, their tails form a love heart.
22
Condoms were originally made of animal intestines or linen.
347
Lobsters have blue blood.
476
One in three dog owners say they have talked to their pets on the phone.
427
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
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17