Cats and dogs can hear ultrasound.
350
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
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
Condoms were originally made of animal intestines or linen.
347
The Basenji dog is the only dog that is not able to bark.
4
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59