Cats and dogs can hear ultrasound.
350
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Nicole Kidman is scared of butterflies.
65
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402