perching birds mostly small and living near the ground with feet having 4 toes arranged to allow for gripping the perch; most are songbirds; hatchlings are helpless
Adjective:
relating to or characteristic of the passeriform birds
造句
用作形容詞(adj.)
some passerine birds have specialized vocal apparatus. 一些燕雀類鳥有特殊發音器官。
The combination of these conditions provides an ideal refuge, especially for passerine migrants in early spring. 這些條件結合在一起提供了理想的避難所，對于早春遷徙到此的雀形目鳥類尤其如此。
This passerine bird is found in Australia and Papua New Guinea. 這種雀科鳥類一般能在澳大利亞和巴布亞新幾內亞看到。