migratory
adjective uk/maɪˈɡreɪ.tər.i/ /ˈmaɪ.ɡrə.tər.i/ us/ˈmaɪ.ɡrə.tɔːr.i/
迁徙的（指候鸟或其他动物的季节性迁徙特征）
A migratory bird or animal is one that migrates (= travels to a different place, usually when the season changes)
migratory birds 候鸟
Sea eagles are not migratory, so once extinct, there is no chance of them returning naturally. 海鹰不是候鸟，所以一旦灭绝，就不会有同类从迁徙地自然回归原住地的可能。
（动物、候鸟或人）移居的，迁居的
relating to the migration (= travel in large numbers to a different place) of animals, birds, or people
The satellite tag will track the turtle's migratory route for the first time. 卫星定位器首次可以追踪海龟的洄游路线。
The Rio Grande is a major migratory corridor for birds. 格兰德河是候鸟迁徙的主要通道。
See: migrate
- More examples
- There are about 350 species of migratory songbirds, according to U.S. Fish and Wildlife Service estimates.
- Records show that migratory birds fly to higher latitudes earlier in the season and stay later.
- The fish are extremely migratory, covering miles of ocean.
- Some say the population hasn't swelled here because the area is far from traditional migratory labor routes.