Jellyfish as a species are actually older than dinosaurs and sharks.
383
Cats and dogs can hear ultrasound.
350
Bats sleep 18-20 hours per day.
5
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9