It is a long-distance migrant, wintering mainly in northern South America.
The Catharus species are either long-distance migrants or fairly resident birds.
It is a long-distance migrant, wintering in Africa and Asia.
A major group of long-distance migrants came from Ireland.
The researchers suggest that this phenomenon may be contributing to declines of other long-distance migrants.
Approximately 1800 of the world's 10,000 bird species are long-distance migrants.
Many long-distance migrants appear to be genetically programmed to respond to changing day length.
It is a long-distance migrant, moving in winter to Indonesia.
A long-distance migrant, this species winters in western Africa.
It is a long-distance migrant, with a nearly worldwide coastal distribution when not breeding.