american redstart

• 一种小型、活跃的鸣禽，繁殖于北美洲，以雄鸟鲜明的黑橙色羽衣和雌鸟的灰黄色羽衣著称，常展开尾羽以惊起昆虫。

A small, active songbird native to North America, known for its striking black and orange (male) or gray and yellow (female) plumage and its habit of flashing its tail feathers to startle insects.

1. A small migratory songbirdB2formalamerican

   A small, insectivorous New World warbler (Setophaga ruticilla) with a distinctive black and orange (male) or gray and yellow (female) plumage, known for its active foraging and fanning tail.

   小型迁徙鸣禽

   • The male American redstart flashed its bright orange tail feathers in the undergrowth.
   • We spotted an American redstart flitting between branches near the river.
   • During migration, American redstarts can be seen in parks and woodlands across the eastern United States.