Osprey pair with nestling on tall light post near Bow River, Calgary

western osprey nest osprey p haliaetus nestling pandion haliaetus river hawk pair fish hawk hawk bird of prey ornithology bird wildlife habitat beak couple sea hawk alert plumage zoo island pandion ecology environment family pandionidae post st patricks island raptor boreal majestic wings calgary cristatus predator apex nature power wild outdoor bow river feather copy space bloom fish white background light insect river