Sandesh Kadur / Great-tailed Grackle (Quiscalus mexicanus) roosting on electric lines along Highway 77, Brownsville, Texas, USA. March

Ashley Cooper / Power lines and pylons at sunset in Billingham, Teeside, UK. May 2011.

Ashley Cooper / Power lines and pylons at sunset in Billingham, Teeside, UK. May 2011.

Ashley Cooper / Power lines running from a coal fired power station to an aluminium smelter in Ashington, North East, UK.

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

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

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.

David Tipling / Rooks (Corvus frugilegus) gathering prior to roosting, Buckenham, Norfolk, February.

David Tipling / Rooks (Corvus frugilegus) gathering prior to roosting, Buckenham, Norfolk, February.

Martin Gabriel / Green-breasted Mango (Anthracothorax prevostii) in its nest, built amidst power and telephone cables, Costa Rica,

Luiz Claudio Marigo / Bromeliad {Tillandsia recurvata} growing on electric power lines Brazil