The colossal squid has the largest eyes in the world.
4
A scorpion can hold its breath for up to 6 days.
19
Squirrels forget where they hide about half of their nuts.
698
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
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
A domestic cat can sprint at about 31 miles per hour.
274
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22