1. Hedgehogs eat certain poisonous plants they’re immune to and then spread their saliva on their spikes to hide their scent or to shock their predators! 
2. Sloths in central American rainforests have algae, bugs and even cockroaches in their fur! 
3. A koala joey grows in its mother’s pouch for six months after its birth and then stays on its mother’s back for the next six months! 
4. Polar bears are the largest carnivores on Earth with adults weighing as much as 680 kg! 
5. Honey bees beat their wings about 200 times per second! 
6. A turtle’s shell houses its rib cage and spine along with 50 other bones! 
7. 99 per cent of a panda’s diet is made up of bamboo! 

Sources:

Nat Geo Kids | Hedgehogs 

Nat Geo Kids | Rainforests 

Nat Geo Kids | Koalas 

Nat Geo Kids | Polar Bear 

Nat Geo Kids | Honey Bees 

Nat Geo Kids | Turtle