Condoms were originally made of animal intestines or linen.
347
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
Cats recognise the voice of their owner, but never evolved to care.
22
Elephants are terrified of Bees and actually have a special, distinct vocalization for “Run away the Bees are angry”
49