peckers

"Well, I didn't think you were expecting wood-peckers, " said Wilbur, bitterly.

“好吧，你不说我也不会认为你是在孵小啄木鸟的。”威尔伯伤心的说。

Birds, called ox-peckers, ride on their backs and eat fleas.

叫做牛惊鸟的鸟类，停在它们的背上，吃虱子。