Shane Gross / Cunner (Tautogolabrus adspersus) pair in Eelgrass (Zostera marina) bed. Newfoundland, Canada. September.

Marie Read / Northern cardinal (Cardinalis cardinalis) male in a late summer garden setting, Coreopsis sp. flowers around the perch, New York, USA, August.

Markus Varesvuo / Cormorant (Phalacrocorax carbo) swallowing perch prey, Hungary, January

Andy Rouse / Kingfisher (Alcedo atthis) on perch, UK, January.

Alex Mustard / Colourful reef scene with Leather corals (Sarcophyton sp.), Soft corals (Dendronephthya sp.) Seafans (Melithea sp.) and fish, including Magenta slender anthias (Luzonichthys waitei) and Scalefin anthi...

Tony Wu / Twinspot snapper (Lutjanus bohar) engaged in a mass spawning aggregation early in the morning. Caroline Islands, Palau. April.

Tony Wu / Twinspot snapper (Lutjanus bohar) shoal rushing up to spawn, releasing a cloud of milky white sperm and eggs in the water column. Caroline Islands, Palau, November.

Alex Mustard / RF- School of Scalefin anthias (Pseudanthias squamipinnis) on reef in the current feeding on plankton, with soft corals (Dendronephthya spp.) and fire coral (Millepora dichotoma) Jackson Reef, Strait...

Alex Mustard / Portrait of pair of Bohar snappers (Lutjanus bohar) in their spawning aggregation. Shark Reef, Ras Mohammed Marine Park, Sinai, Egypt. Red Sea.

Alex Mustard / Portrait of Bohar snappers (Lutjanus bohar) in its spawning aggregation. Shark Reef, Ras Mohammed Marine Park, Sinai, Egypt. Red Sea.

Ben Hall / Cormorant (Phalacrocorax carbo) with perch in its beak, Cheshire, UK, October. Highly Commended in the British Wildlife Photography Awards (BWPA) competition 2013.

Peter Cairns / 2020VISION / Osprey (Pandion haliaetus) with fish prey on feeding perch, Cairngorms National Park, Scotland, UK, July.

Michel Roggo / Perch (Perca fluviatilis). Juktan river, tributary of Ume?en river, Lapland, Sweden, July.

Tim Laman / Carola's Parotia (Parotia carolae) male displaying in his display court to female-plumaged brown birds - young males are indistinguishable from females. Papua New Guinea. The display court is an are...

Tim Laman / Wahnes's Parotia (Parotia wahnesi) adult male on perch over his court, Papua New Guinea

Tim Laman / Twelve wired Bird of Paradise (Seleucidis melanoleuca) male at display perch in the swamp rain forest at Nimbokrang, Papua, Indonesia, Island of New Guinea. Winner, Special Award Portfolio, Wildlife P...

Tim Laman / Victoria's Riflebird (Ptiloris victoriae) male on display perch trying to lure a female to come down with his spread wings display, Atherton Tablelands, Wooroonooran National Park, Queensland, Austral...

Rob Jordan / 2020VISION / Merlin (Falco columbarius) female on perch with Meadow Pipit chick prey for its offspring. Sutherland, Scotland, UK, June. 2020VISION Book Plate.

Rob Jordan / 2020VISION / Merlin (Falco columbarius) female on perch with Meadow Pipit chick prey for its offspring. Sutherland, Scotland, June.

Rob Jordan / 2020VISION / Merlin (Falco columbarius) female on perch with Meadow Pipit chick prey for its offspring. Sutherland, Scotland, June.

Rob Jordan / 2020VISION / Merlin (Falco columbarius) female on perch with Meadow Pipit chick prey, legs just visible, for its offspring. Sutherland, Scotland, June.

Andy Rouse / 2020VISION / Wood Warbler (Phylloscopus sibilatrix) singing from perch. Wales., April.

Juan Carlos Munoz / Fossil of extinct perch fish (Priscacara sp) from the Eocene period, Wyoming, USA

Andy Rouse / Osprey (Pandion haliaetus) newly fledged young on perch. Dyfi Estuary, Wales, August. It is the first time ospreys have bred at this location for 400 years.

Tim Laman / Berlepschi's Parotia Bird of Paradise (Parotia berlepschi) male on the perch at his display court. Foja Mountains, Papua, Indonesia, 2008. (taken during Conservation International Rapid Assessment Pro...

Bence Mate / Hoopoe (Upupa epops) landing on perch, Pusztaszer, Kiskunsagi National Park, Hungary

Paul Hobson / Long-eared owl (Asio otus) on tree stump, sillhouette in moonlight, captive, Yorkshire, UK

Wild Wonders of Europe / Roggo / Male Pikeperch / Zander (Stizostedion / Sander lucioperca) defending nest, calm part of the Rhine, Schaffhausen, Switzerland, May 2009

Wild Wonders of Europe / Roggo / Male Zander / Pikeperch (Stizostedion / Sander lucioperca) defending nest, with Chub (Leuciscus cephalus) in the distance, calm part of the Rhine, Schaffhausen, Switzerland, May 2009

Andy Rouse / Common kingfisher (Alcedo atthis) on perch watching fish, UK

Tim Laman / Magnificent Bird of Paradise (Cicinnurus magnificus) male calling on calling perch near his display court, Huon Peninsula, YUS Conservation Area, Morobe Province, Papua New Guinea. Near-threatened

Tim Laman / Magnificent Bird of Paradise (Cicinnurus magnificus) male erecting his cape in display on calling perch near his display court, Huon Peninsula, YUS Conservation Area, Morobe Province, Papua New Guinea...

Tim Laman / Magnificent Bird of Paradise (Cicinnurus magnificus) male perched with fruit on calling perch near his display court, Huon Peninsula, YUS Conservation Area, Morobe Province, Papua New Guinea. Near-thr...

Tim Laman / King of Saxony (Pteridophora alberti) bird of paradise, male on display perch performing a practice display, Southwestern slopes of Mt. Hage, Enga Province, Papua New Guinea.

Tim Laman / King of Saxony Bird of Paradise (Pteridophora alberti) male displaying on display perch, Enga Province, Papua New Guinea.

Tim Laman / Male Victoria's Riflebird (Ptiloris victoriae) bird of paradise perched, calling on display perch. Atherton Tablelands, Wooroonooran National Park, Queensland, Australia.

Colin Varndell / Willow warbler {Phylloscopus trochilus} portrait. UK.

Paul Hobson / Female pied flycatcher on perch, England, UK

Hans Christoph Kappel / Hoopoe on perch displaying crest, Neusiedl Austria Europe

WILLIAM OSBORN / Blue tit on lichen covered perch (Parus caeruleus) UK

WILLIAM OSBORN / Blue tit on lichen covered perch, UK