Migrating birds use a variety of cues to find their way. These include the positions of the sun during the day and the stars at night; the earth’s magnetic field; and visual, olfactory, and auditory landmarks.
- migrate [maiˈɡreit] v.迁徙
- cue [kju:] n. 提示
- magnetic field [mæɡˈnetik - fi:ld] n.磁场
- olfactory [ɔlˈfæktəri] adj.嗅觉的
- auditory [ˈɔ:ditəri] adj.听觉的