yes humans and otters eat oysters
humans, and raccoons
Make pearls and are food to Humans, animals, etc
Crocodiles don't hurt humans on purpose. The will if they think that the humans are going to hurt them. If you don't bother them, they won't bother you.
Humans hurt the earth more.
Most humans hurt other humans when they get mad. They could get into a fist fight,shoot a gun, and do many other things.
Humans hurt pelicans and other animals by accidentally spilling oil into the oceans. Also they are hurt by littering and pollution.
no
Penicillin injections certainly sting, the same as for humans.
yes
yes they do
they eat them