Riddles about animals

I live in the ocean. I move slowly. I eat clams. I have five arms. I am a...

I hiss. I can be poisonous. I am long. I have a forked tongue. What am I?

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

I had no father, only a grandfather. I shall bear no sons, only daughters. What am I?

Someone said you sounded like an owl.

I sleep when you are awake, I am awake when you fall asleep. I can fly but no feathers to aid my flight. What am I?

A petshop owner had a parrot with a sign on its cage that said "Parrot repeats everything it hears". Davey bought the parrot and for two weeks he spoke to it and it didn't say a word. He returned the parrot but the shopkeeper said he never lied about the parrot. How can this be?

I live in a house called a coop. I have two legs, two wings and a tail. I eat worms and bugs and grain. I lay eggs. I am a...

I have a tail. I can fly. I'm covered in colorful feathers. I can whistle and I can talk. I am a...

I plow and plow, but never sow. What am I?