Mating blackbirds will defend their territory against intruders.
乌鸫交配时会保护自己的地盘，不允许外来者侵入。
《牛津词典》
2
Each year red-winged blackbirds stop in a certain region of Midland Province on their spring and fall migration.
每年春天和秋天，红翼黑鹂都会在米德兰省的某个地区停留。
3
This year Midland farmers sought permits to set out small amounts of poisoned rice during the blackbirds' spring stop in order to reduce the fall blackbird population.