There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Roosters can't crow if they can't fully extend their necks.
28
Rats multiply so quickly that in 18 months, two rats could have over a million descendants.
33
Salmon can jump as high as 6 feet.
40
All the pet hamsters in the world are descended from a single wild golden Hamster found in Syria in 1930!
34
The Blue Whale's tongue weighs more than an adult elephant!
47
Some lions mate over 50 times a day.
61