A lion in the wild usually makes no more than twenty kills a year.
186
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
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Early American humans hunted car-size armadillos and used their shells for houses.
12