Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) hangs dead between two power lines, killed by electrocution. Elwood, Victoria, Australia.

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) hanging dead between two power lines, killed by electrocution. Elwood, Victoria, Australia. March.

Ann & Steve Toon / Eight Starlings (Sturnus vulgaris) on telegraph wires, Caerlaverock Wildfowl and Wetland Trust Reserve, Dumfries and Galloway, Scotland, UK, October.

Chris Gomersall / Dead juvenile Common crane (Grus grus) following collision with overhead power cable. Hula Valley, Israel. November.

Anup Shah / Zanzibar sykes monkey (Cercopithecus mitis albogularis) using an electricity wire to cross a road . Jozani-Chwaka Bay National Park, Zanzibar, Tanzania. May.

Graham Eaton / Power lines and pylons carrying electricity over mountain landscape from hydroelectric power station at Maentwrog, Wales, UK, October 2016.

Niall Benvie / White stork (Ciconia ciconia) electrocuted on power line. Burgundy, France, June.

SCOTLAND: The Big Picture / Overhead powerline and pylon in upland habitat near Schiehallion in Perthshire, Scotland, UK, May.

Richard Du Toit / Powerlines in Marievale Bird Sanctuary at dawn, Gauteng Province, South Africa. August 2015.

Nick Turner / High voltage power lines and pylons in the countryside, Gloucestershire, UK. March 2015.

Sebastian Kennerknecht / Fan-tailed Raven (Corvus rhipidurus) on powerline, Salalah, Oman

Anup Shah / Dusky Leaf Monkey (Trachypithecus obscurus) walking on power lines, Khao Sam Roi Yot National Park, Thailand

Cyril Ruoso / Flock of Barn swallows (Hirundo rustica) perched on power lines during migration, France. September.

Cyril Ruoso / Flock of Barn swallows (Hirundo rustica) perched on power lines during migration, France. September.

Cyril Ruoso / Flock of Barn swallows (Hirundo rustica) perched on power lines during migration, France. September.

Cyril Ruoso / Flock of Barn swallows (Hirundo rustica) perched on power lines during migration, France. September.

Cyril Ruoso / Flock of Barn swallows (Hirundo rustica) perched on power lines during migration, France. September.

Cyril Ruoso / Flock of Barn swallows (Hirundo rustica) perched on power lines during migration, France. September.

Cyril Ruoso / Flock of Barn swallows (Hirundo rustica) perched on power lines during migration, France. September.

Cyril Ruoso / Flock of Barn swallows (Hirundo rustica) perched on power lines during migration, Pitou, France. September

Cyril Ruoso / Flock of Barn swallows (Hirundo rustica) perched on power lines during migration, France.

Cyril Ruoso / Flock of Barn swallows (Hirundo rustica) perched on power lines during migration, France. September.

Cyril Ruoso / Flock of Barn swallows (Hirundo rustica) perched on power lines during migration, France. September.

Konrad Wothe / Tropical Kingbird (Tyrannus melancholicus) female on nest with chicks on powerline pole, Tobago, West Indies, Caribbean

Bryan and Cherry Alexander / Fog surrounding a gas drilling derrick at dusk, near the South Tambey Gas Field, Yamal Peninsula, Siberia, Russia. February 2014.

Bryan and Cherry Alexander / Snow covered power lines lead to a gas drilling derrick near Sabetta, South Tambey Gas field, Yamal Peninsula, Siberia, Russia. February 2014.

D. Parer & E. Parer-Cook / Galah (Eolophus roseicapilla) flock at dusk on power lines, Boulia, Queensland, Australia

Brent Stephenson / Adult Spotted dove (Streptopelia chinensis) perched on a powerline against a blue sky. Cairns, Queensland, Australia. April.

Colin Monteath / Coal fired power station provides electricity for capital city, causes heavy air pollution during winter due to inversion layer, Ulan Baatar, Mongolia

Norbert Wu / Oil rigs near Bakersfield, southern California

Sebastian Kennerknecht / Powerlines, Jepson Prairie Preserve, Solano, California

Sebastian Kennerknecht / Powerlines spanning over Briones Reservoir, Orinda, California

Colin Monteath / Powerlines, rainbow forms as evening sun lights up rain clouds, Canterbury, New Zealand

Colin Monteath / Powerlines, rainbow forms as evening sun lights up rain clouds, Canterbury, New Zealand

Andrew Peacock / Power poles for solar power energy, Westgate Community Conservancy, Naibelibeli Plains, Kenya

Richard Du Toit / Long-crested Eagle (Lophaetus occipitalis) on powerlines, Garden Route National Park, Western Cape, South Africa

Mathias Putze/ BIA / White Stork (Ciconia ciconia) killed by powerline, Merzouga, Morocco

Agustin Esmoris / Red-backed Hawk (Buteo polyosoma) perched on powerline, Puerto Madryn, Argentina

D. Parer & E. Parer-Cook / Galah (Eolophus roseicapilla) flock at dusk on power lines, Boulia, Queensland, Australia

D. Parer & E. Parer-Cook / Galah (Eolophus roseicapilla) flock at sunset on power lines, Boulia, Queensland, Australia

Sebastian Kennerknecht / Canada Goose (Branta canadensis) on vernal pool under powerlines, Jepson Prairie Preserve, Solano, California

Sebastian Kennerknecht / Briones Reservoir and powerlines in oak savanna covered hillsides, Berkeley, California

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) flying past power lines, Myuna Wetlands, Doveton, Victoria, Australia.

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) flying past power lines, Myuna Wetlands, Doveton, Victoria, Australia.

Doug Gimesy / Dead Grey-headed flying-fox (Pteropus poliocephalus) female, killed by electrocution, hanging on a suburban overhead power line, Elsternwick, Victoria, Australia.

Doug Gimesy / Dead Grey-headed flying-fox (Pteropus poliocephalus) female, killed by electrocution, hanging on a suburban overhead power line, Elsternwick, Victoria, Australia.

Doug Gimesy / Dead Grey-headed flying-fox (Pteropus poliocephalus) female, killed by electrocution, hanging on a suburban overhead power line, Elsternwick, Victoria, Australia.

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) colony roosting in trees along river with overhead power lines close by, Myuna Wetlands, Doveton, Victoria, Australia.

Pal Hermansen / Western jackdaw (Corvus monedula) flock perched on electricity line. Norway. March.

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) mother with young hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) electrocuted on powerline, Puerto Viejo de Talamanca, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) electrocuted on powerline, Puerto Viejo de Talamanca, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) electrocuted on powerline, Puerto Viejo de Talamanca, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) electrocuted on powerline, Puerto Viejo de Talamanca, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica

David Pattyn / Common starling (Sturnus vulgaris) murmuration in between high voltage powerlines and electricity pylons, The Netherlands, Europe. February.

David Pattyn / Common starling (Sturnus vulgaris) murmuration in between high voltage powerlines and electricity pylons, The Netherlands, Europe. February.

Doug Gimesy / Common starling (Sturnus vulgaris) perching on a power line, singing, Skenes Creek, Victoria, Australia.

Doug Gimesy / Common starling (Sturnus vulgaris) singing on power line / cable, Skenes Creek, Victoria, Australia. 2nd powerline bottom of burnt (overexposed) out. Cropped.

Ugo Mellone / Erecting power lines in the Sahara desert, Southern Morocco, Africa. February, 2020.

Nick Upton / Sand martins (Riparia riparia), Swallows (Hirundo rustica) and House martins (Delichon urbicum) perched and preening on power lines, gathered ahead of their autumn migration, Gloucestershire, UK, Sept...

Jeff Foott / Prayer flags and electricity power line tower / pylon, Chelela Pass (13,083 ft) (3988meters). Highest road pass in Bhutan. September 2013.

Jeff Foott / Prayer flags and electricity power line tower / pylon, Chelela Pass (13,083 ft) (3988meters). Highest road pass in Bhutan. September 2013.

Jeff Foott / Paro Taktsang / Tiger's Nest Buddhist monastery perched on cliffs with prayer flags. Bhutan. September 2013.

Jeff Foott / Sleeping dogs and prayer wheel, on the way up to Paro Taktsang / Tiger's Nest Monestary. Bhutan. September 2013.

Jeff Foott / Paro Taktsang / Tiger's Nest Buddhist monastery on cliff and prayer flags. Bhutan. September 2013.

Nick Upton / Sand martin (Riparia riparia) landing to join others and three Swallows (Hirundo rustica) perched on power lines as a mixed species group of hirundines gathers ahead of their autumn migration, Glouces...

Doug Gimesy / High voltage powerlines and electricity pylons. Victoria, Australia. 2019.

Doug Gimesy / High voltage powerlines and electricity pylons. Victoria, Australia. 2019.

Doug Gimesy / Wattlebird (Anthochaera carunculata) perched on a powerline. Brighton, Victoria, Australia. April.

Doug Gimesy / Sunset silhouetted Australian raven (Corvus coronoides) on powerlines. Brighton, Victoria, Australia. April.