飞蝗

[ noun ]
Old World locust that travels in vast swarms stripping large areas of vegetation
<noun.animal>

Migratory \Mi"gra*to*ry\, a. [Cf. F. migratoire.]
1. Removing regularly or occasionally from one region or
climate to another; as, migratory birds.

2. Hence, roving; wandering; nomad; as, migratory habits; a
migratory life.

{Migratory locust} (Zo["o]l.) See {Locust}.

{Migratory thrush} (Zo["o]l.), the American robin. See
{Robin}.