Riddles about crocodiles

What is a sick crocodile?

Never trust this fellow’s grin. His teeth are sharp and course, his blood’s as cold as icicles, and he’ll show no remorse! What is it?

What do you call an alligator wearing a vest?

If you were swimming in the ocean and a big alligator attacked you, what should you do?

I eat other animals. I have a big mouth. I am green. I live in the water. Who am I?

I live in lakes and rivers. I eat fish and birds. I have four legs and a long tail. I have lots of pretty teeth. I am a...