It has been possible to teach a migration route to a flock of birds, for example in re-introduction schemes. After a trial with Canada geese Branta canadensis, microlight aircraft were used in the US to teach safe migration routes to reintroduced whooping cranes Grus americana.
It has been possible to teach a migration route to a flock of birds , for example in re - introduction schemes . After a trial with Canada geese Branta canadensis , microlight aircraft were used in the US to teach safe migration routes to reintroduced whooping cranes Grus americana .
What is a re-introduction scheme?
What is a re - introduction scheme ?
to teach a migration route to a flock of birds
to teach a migration route to a flock of birds