During migration, they may be found in almost any habitat.

During migration, geese may cover up to 600 miles per day.

Jim did not remember ever having seen it except during migration between colonies.

A few staging areas are of critical importance during migration.

It is also found in parks and gardens during migration.

Despite its name, this bird would probably only visit Connecticut during migration.

The concentration of birds during migration can put species at risk.

During his migration in various countries he lost his brother.

Aggregations of up to 100 individuals have been reported during migration.

The Monarch can be found in almost any kind of habitat during migration.