What influences bird migration?

Insects are essential sources of energy for many migratory bird species, not only during the breeding seasons but also during their extensive journeys and greatly affect the timing, duration, and overall success of bird migrations.

Radio 786’s Ecowise, catches some worms with Birdlife SA on the significance of World Migratory Day, talks about why birds migrate, various elements that may impact the migration of birds and how research is conducted on bird behavior.

Guest: Jessica Wilmot -Flyway and Migrants Project Manager Bird Life SA