根据描述填写正确答案。

1. They call me a man, but I'll never have a wife; I was given a body, but not given life; They made me a

    mouth, but I have no breath; Water gives me life, and the sun brings me death. What am I? 

2. You find me in darkness, but never in light; I'm present in daylight, absent in the night; In the deepest

    of shades, I hide in plain sight. What am I? 

3. I'm white and yellow. My coat is white and brown. I'm under a bird. What am I?

4. I'm on a tree. I'm white, but my coat is red. or green or yellow. What am I?