The main reasons for migration are either food or nesting resources. Studies have even found that when migratory species of birds are kept in a cage, they go through a period of restlessness at the times they would migrate, repeatedly fluttering toward one side of their cage. German behavioural scientists gave this behaviour the name zugunruhe, meaning migratory restlessness.
The Damara Tern disperses north, at the end of the breeding season, being recorded along the coastal waters of Democratic Republic of the Congo, Congo, Gabon, Cameroon, Nigeria, Benin, Togo, Ghana, and Ivory Coast. And the how of migrating birds? Scientists are still learning but more recent studies talk about quantum navigation and using the earth’s magnetic field to navigate.
We’ve noticed that the Terns that are nesting at De Mond, near Struisbaai, are gathering for their big trek across Africa.
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