most likely elephants they are the biggest land animal that is highly endangered
or whales the bigest sea animals.
The rhinoceros, especially the black rhinoceros, is one of the most engangered animals on earth.
Blue Whale
The Polar Bear
Whale
The cheetah is the fastest animal on earth. This does not include animals in the air.
If there are no animals on Earth we'd all have to be vegetarian.
The Blue Whale is the largest mammal and also one of the most endangered.
Since "extinct" means there are no more of that species left on earth, I'm not aware of any species that has been wiped off the face of the earth due to cruelty.
No!! peregrine falcon is the fastest animal on earth
Strictly speaking one celled animals such as amoeba are the smallest animals on Earth.
As man is an animal then yes they have
a Blue Whale