seasonal migration

The river was used as a seasonal migration route by Indians.

Seasonal migration does occur, but not all individuals undertake them.

They go on seasonal migrations in search of food, water and mates.

People began seasonal migrations to take advantage of plants and animals in certain areas.

Nor would Canadian geese stop off here on their seasonal migrations.

Often, this movement was related to seasonal migration on account of the agricultural sector.

They had used these horses for transportation of their whole household, during the seasonal migrations.

Seasonal migration was a feature of life, as with many other hunter-gatherer communities.

Of these, seasonal migration is the most familiar between high-income and low-income countries.

In the Baltic they are known to follow herring schools, and therefore have some seasonal migration.

Many have taken up residence at suburban office parks and stopped seasonal migrations.

That honking you hear overhead is the "seasonal migration of geese."

Annual variation in Cuban catch rates may indicate a seasonal migration.

The local economy of the village was based on agriculture and the income from the seasonal migration, especially to northern Italy.

Females are found apart from males for most of the year, and conduct seasonal migrations.

In the winter, more than 10,000 geese and ducks use the wetlands during seasonal migrations.

The seasonal migration is well documented since 1600.

Seasonal migration by agricultural labourers is an annual occurrence during the summer months.

Dingoes usually remain in one area and do not undergo seasonal migrations.

As the Sun disappeared the last one shoved off and the colony was headed north on its seasonal migration.

In the Southern Hemisphere, seasonal migration tends to be much less obvious.

It is found on or near the bottom and conducts seasonal migrations, spending winter in deeper water.

Significant seasonal migration to the UK started in 1962.

There is evidence of oceanodromy (seasonal migration) in some species.

It is a common, endemic, breeding resident in the region, small seasonal migrations taking place.