Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Female kangaroos have three vaginas.
2
Mosquitoes don't just bite you, they also pee on you.
11
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
A group of pugs is called a grumble.
10