nuthatch

1. Bluish-gray nuthatch with reddish breast; of northern coniferous forests.
   胸部略带红色的蓝灰色币鸟；产于北方松林。
2. Bluish-gray nuthatch with black head and white breast; of eastern North America.
   头部为黑色胸部为白色的蓝灰色币鸟；产于北美洲东部。
3. Studies on Growth and Development of Eurasian Nuthatch Nestlings
   普通鳾雏鸟的生长发育研究

noun

1. any of various small short-tailed songbirds with strong feet and a sharp beak that feed on small nuts and insects

   Synonym:    nutcracker