A new study in Manitoba shows how the great grey owl,” a common sight, either soaring over the plains or perching and nesting in the Boreal forests of the eastern Canadian prairies, overcomes many obstacles to find its prey.

The bird is able to “punch” through as much as 50 cms (20 inches) of hard, crusty snow – enough to hold a person’s weight – to catch a vole hiding beneath.

Details in this issue.