Birds of a feather (head South) together

Its no secret that the great migration is on for a number of birds on the prairies. Some things you might not know are

• Different species that head South for the winter.
• Why birds form big groups in fields
• Why birds fly North to begin with

All these questions are answered in the interview below with Evironmental Consultant, Tristan Aitken with Bolt FM's Ronald Quaroni

Tristan was kind enough to send along pictures of different birds that are currently migrating.