Terry Whittaker / 2020VISION / RSPB volunteer watches peregrine falcons with St Paul's Cathedral in background, RSPB 'Date With Nature Event' for learning about urban Peregrine falcon, Tate Modern, South Bank, London, UK, September...

Terry Whittaker / 2020VISION / RSPB staff member Emma Cambell showing peregrines to young woman at RSPB 'Date With Nature Event' for learning about urban Peregrine falcon, Tate Modern, South Bank, London, UK, September 2011, RSPB G...

Terry Whittaker / 2020VISION / Young boy with the same birthday as male Osprey 5R watching the Manton Bay osprey pair (including 5R) from the Waderscrape hide, Lyndon Visitor Centre, Rutland Water, Rutland, UK, April 2011

Floris van Breugel / Two Limber Pine trees (Pinus flexilis) lit by the low sun, over the snow covered summit of Telescope Peak from the Charcoal Kilns, with desert landscape beyond, Death Valley National Park. California,...

Peter Cairns / naturepl.com / Deer stalker looking down telescope, Glenfeshie, Cairngorms, Scotland, UK, June 2008, model released

Juan Carlos Munoz / Man wildlife watching in Faia Brava Reserve. Archaeological Park of the Coa Valley, Western Iberia, Portugal. April 2016.

Juan Carlos Munoz / Man with camera on tripod beside bird hide. Faia Brava Reserve. Archaeological Park of the Coa Valley, Western Iberia, Portugal. April 2016.

Robin Chittenden / Birdwatchers and twitchers observing Arctic warbler (Phylloscopus borealis) Wells, Norfolk, England, UK. September 2017.

Juan Carlos Munoz / Man looking through a telescope at the night sky, Eifel Dark Sky Park, Eifel National Park, Germany, September 2016.

Pat Tuson / Young man looking through telescope at the RSPB Urban Peregrine falcon watch stall on the South Bank, London, England, UK July 2016.

Inaki Relanzon / People birdwatching in the Pyrenees, Aragon, Spain, June.

Suzi Eszterhas / Student from Abraham Lincoln Elementary School watching Ninth Street Rookery through a telescope, Sonoma County, California, USA.