Dolphins have names for one another.
18
Female kangaroos have three vaginas.
2
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9