Eagle owl, raptor, bird of prey on sign post for Llewellyn'sWalk, Rhayader, Mid Wales, United Kingdom, Europe

Robin (Erithacus rubecula) perching on post near holly

Striated caracara (Phalcoboenus australis), Carcass Island, Falkland Islands, South Atlantic Ocean, South America

Tawny owl (Strix aluco), captive, perched, United Kingdom, Europe

Robin perched on a weathered garden fence post in North Yorkshire, England, United Kingdom, Europe

Buzzard (Buteo buteo), captive, United Kingdom, Europe

Red squirrel (Sciurus vulgaris), Formby, Liverpool, England, United Kingdom, Europe

Barn owl (Tyto alba), captive, United Kingdom, Europe

Close-up of a robin (Erithacus rubecula) perching on a post

Blackheaded gull (Larus ridibundus). UK

An adult osprey (Pandion haliaetus), perched on a fence post in Grand Canyon National Park, Arizona, United States of America, North America

Bird on marker post, The Beach, Eastbourne, East Sussex, England, United Kingdom, Europe

Blackheaded gull (Larus ridibundus). UK

Common buzzard, Buteo buteo, captive female on post amongst foxgloves, Scotland, UK

Grey Wagtail (Motacilla cinerea) with some juvenille plumage sitting on submerged fence post. Wagtails like perches over the water to preen and rest.. Argyll, Scotland

Cormorant (Phalacrocorax carbo) on old pier. Cormorants use the old pier at Salen. Isle of Mull, to forage in the Sound of Mull. Hebrides, Scotland

Grey Wagtail (Motacilla cinerea) with some juvenille plumage sitting on submerged fence post. Wagtails like perches over the water to preen and rest.. Argyll, Scotland

Silhouette of a bird perching on a wooden post in the sea, St. Augustine Beach, Florida, USA

Side profile of a pelican perching on a wooden post

Close-up of a bird on a wooden post

HOLIDAY, FL - MARCH 20, 2017: An adult bald eagle Haliaeetus leucocephalus post sentry near it's nest on the Gulf of Mexico shore in Holiday, FL

Short-Eared Owl, Alberta, Canada

Ferruginous Hawk (Buteo Regalis), Saskatchewan, Canada

Bald eagle (Haliaeetus leucocephalus) perched on a post against blue sky, Pacific County, Washington, United States of America

Bald eagle (Haliaeetus leucocephalus) perched on post, Pacific County, Washington, United States of America

Silhouette of pelican perching on post against orange sky at sunset

Silhouette of pelican perching on post against orange sky at sunset

Silhouette of pelican perching on post against orange sky at sunset