关于鸟的英文介绍！急？

Birds are warm bodied creatures with wings and feathers. The body temperature of birds is generally higher than that of humans, so they seem warm to the touch. Birds lay eggs which they incubate until hatching -- or, in some cases, get some other bird to do the incubating. In some species such as our songbirds, the young hatch naked and helpless and must be fed and cared for by a parent bird. Others, like the chickens and their relatives, produce down-covered young that are able run about and feed themselves. They are still dependent for protection upon adult birds.