北美洲的小啄木鸟，黑色或白色羽毛，小嘴。
Small North American woodpecker with black and white plumage and a small bill .
以苹果树和枫树等树木的树汁为食的美洲小啄木鸟。
Small American woodpecker that feeds on sap from e.g. apple and maple trees .
小啄木鸟