Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Cats recognise the voice of their owner, but never evolved to care.
22
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10