Humans specifically have eyes that face forward to see in 3D. On the other hand, vegetarian dinosaurs such as the Triceratops had eyes that looked out to the side so they could stay vigilant, watching for danger as they ate.
100 Mind-Blowing Danger Facts
Dogs sniff good smells with their left nostril. Dogs normally start sniffing with their right nostril, then keep it there if the smell could signals danger, but they’ll shift to the left side for something pleasant, like food or a mating partner.
Sloths come down from their canopy about once a week to pee and poo unless there is a danger or predator. If that’s the case they do it from the trees!
Deer will sometimes flash the white underside of their tail to warn others about nearby danger.
Sadly, axolotls are now critically endangered. They’re on something called the IUCN Red List, meaning they’re in danger of going extinct.