Dave Bevan / Male Great spotted woodpecker (Dendrocopos major) descending down a wooden electricity pole, Carmarthenshire, Wales, UK, June.

Dave Bevan / Male Great spotted woodpecker (Dendrocopos major) flying to a nest hole in an electricty pole and feeding chick, Carmarthenshire, Wales, UK, June.

Laurent Geslin / Fulani child sitting beside radio and mobile telephone, portrait, North Senegal, West Africa, 2005

Cyril Ruoso / Barn Swallow (Hirundo rustica) migratory flock of forty birds perching on telephone wire, Poitou, France

Cyril Ruoso / Barn Swallow (Hirundo rustica) migratory flock perching on telephone wires along road, Poitou, France

Peter Cairns / 2020VISION / Common starlings (Sturnus vulgaris) gathering on telephone wires pre-roost, Solway Firth, Scotland, UK, November. 2020VISION Book Plate. Did you know? Historically all starlings were known as Stares,...

Jeff Wilson / Director, Chadden Hunter, standing on wind eroded rock talking on radio to base camp, Dry Valleys, Antarctica, December 2009. Taken on location for the BBC series, Frozen Planet.

Stephen Dalton / Greater kestrel (Falco rupicoloides) perched on telegraph pole, South Africa

David Tipling / Flock of Rooks (Corvus frugilegus) sitting on telephone wires, at pre-roost gathering in winter, Buckenham, Norfolk, England

David Tipling / Flock of Rooks (Corvus frugilegus) sitting on telephone wires, at pre-roost gathering in winter, Buckenham, Norfolk, England

Dietmar Nill / Little Owl (Athene noctua) adult on telephone wires, Bulgaria

Ashley Cooper / Chinese tourist from Antarctic expedition cruise ship taking selfie with Gentoo penguin (Pygoscelis papua) that has walked up to her. Antarctic Peninsula, Antarctica. February 2019.