Cats and dogs can hear ultrasound.
350
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
A 42-foot sperm whale has about 7 tons of oil in it.
209
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
The largest breed of rabbit is the Flemish Giant.
65
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132