Birds can see color. They need to , because they fly and need to find place to land.Color helps them know how far the place is and what it is like so that they are able eo catch flying things in the air or to land on something they think safe.
Color hepls you see things . But man and some monkeys and apes are the only mammals that can see color.To many other mammals such as the dogs, the world looks like a black and white photo. Dogs hunt mainly by listening and smeling.
绝对不要用机译,乱七八糟。自己翻译!好的还会追加!~~~
必须在一个小时之内翻译出来,有急用!!谢谢