The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
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
A group of kittens is called a "kindle".
10