Ready for takeoff: Great Horned Owl chicks test their wings and learn to fly

Over the course of several days, fledgling owls take flight with varying levels of grace, expanding their range to trees near their nest.

Editor's note: Postmedia visual journalist Brent Calver has been following the progress of four fledgling Great Horned Owls at a Calgary park. These images were taken at a respectful distance to avoid disturbing the birds. Their exact location isn't being disclosed to allow the owl chicks to develop with minimal disruption from curious humans. Read More