Andy Trowbridge / Arctic Fox cub (Alopex / Vulpes lagopus) portrait, blue morph, autumn colours in the background. Dovrefjell National Park, Norway, September.
00298031
Piotr Naskrecki / Bearded Weevil (Rhinostomus barbirostris) species displays interesting sexual polymorphism, Costa Rica
01588463
Adrian Davies / Two Common lizards (Zootoca vivipara) basking on rock, showing polymorphism, Devon, UK. August.
01462609
Luis Quinta / Female Baskian viper (Vipera seoanei) with melanistic coloration on rock, Geres National Park (Parque Nacional Peneda-Geres ), Portugal, October.
01462608
Luis Quinta / Female Baskian viper (Vipera seoanei) with melanistic coloration on rock, Geres National Park (Parque Nacional Peneda-Geres ), Portugal, October.
01462611
Luis Quinta / Female Baskian viper (Vipera seoanei) with melanistic coloration on rock, Geres National Park (Parque Nacional Peneda-Geres ), Portugal, October.
01462610
Luis Quinta / Female Baskian viper (Vipera seoanei) with melanistic coloration on rock, Geres National Park (Parque Nacional Peneda-Geres ), Portugal, October.
01465829
Radomir Jakubowski / Arctic fox (Vulpes lagopus) blue morph, drinking, Norway, September.
01465825
Radomir Jakubowski / Arctic foxes (Vulpes lagopus) one with normal winter coat chasing a blue morph, Norway, September.
01465828
Radomir Jakubowski / Arctic fox (Vulpes lagopus) blue morph, biting camera lens, Norway, September.
01465826
Radomir Jakubowski / Arctic fox (Vulpes lagopus) blue morph, Norway, September.
01461755
Charlie Summers / Two color variations of the Snow Goose (Chen caerulescens) Bosque del Apache, New Mexico, USA, December.
01465503
Stephen Dalton / Harlequin ladybirds (Harmonia axyridis) showing two colour forms, Sussex, England, UK, January.
01464226
Bertie Gregory / Vancouver island grey wolf (Canis lupus crassodon) melanistic form, walking on a beach, Vancouver Island, British Columbia, Canada, July.
Nick Upton / Bugle (Ajuga reptans) white and blue form flowering in a dense stand on a woodland edge, Wiltshire, UK, June.
01464781
Nick Upton / Bugle (Ajuga reptans) white and blue form flowering in a dense stand on a woodland edge, Wiltshire, UK, June.
01459787
Paul Harcourt Davies / Elderflower Orchid (Dactylorhiza sambucina) magneta and yellow forms, Piano Grande, near Norcia, Umbria Italy. May.
01459785
Paul Harcourt Davies / Elderflower Orchid (Dactylorhiza sambucina) pink form, above the Piano Grande, near Norcia, Umbria, Italy, May.
01459784
Paul Harcourt Davies / Elderflower Orchid (Dactylorhiza sambucina) magneta and yellow forms, Piano Grande, near Norcia, Umbria Italy. May.
01459783
Paul Harcourt Davies / Elderflower Orchid (Dactylorhiza sambucina) magneta form, Piano Grande, near Norcia, Umbria Italy. May.
01459770
Paul Harcourt Davies / Monkey Orchid (Orchis simia var alba) albino form, Torrealfina, Orvieto, Umbria, Italy, May.
01459769
Paul Harcourt Davies / Monkey Orchid (Orchis simia var alba) albino form, Torrealfina, Orvieto, Umbria, Italy, May.
01459739
Paul Harcourt Davies / Green Winged orchid (Orchis morio var alba) albino form, Mount Argentario, Tuscany, Italy, April.
01459733
Paul Harcourt Davies / Green Winged orchid (Orchis morio var alba) albino form, Monte St Angelo, Gargano, Puglia, Italy, April.
01459711
Paul Harcourt Davies / Elder-flower orchid (Dactylorhiza sambucina) yellow form, on Monte Nero, Gargano, Puglia, Italy, April.
01459636
Paul Harcourt Davies / Island Marsh Orchid (Dactylorhiza insularis) with the purple form of Roman orchid (Dactylorhiza romana) Mount Amiata. Tuscany, Italy, April.
01459622
Paul Harcourt Davies / Roman Orchids (Dactylorhiza romana) yellow form growing in the understory of an ancient chestnut wood near Canepine, on Mount Cimino near Viterbo, Lazio, Italy, April.
01459621
Paul Harcourt Davies / Roman Orchids (Dactylorhiza romana) magenta form growing in the understory of an ancient chestnut wood near Canepine, Mount Cimino near Viterbo, Lazio, Italy, April.
01459620
Paul Harcourt Davies / Roman Orchids (Dactylorhiza romana) showing pink and yellow colour morphs, Canepine on Mount Cimino near Viterbo, Lazio, Italy, April.
01459599
Paul Harcourt Davies / Hornet Ophrys (Ophrys crabronifera var chlorantha) rare yellow form, Villalago, near Terni, Umbria, Italy, April.
01459597
Paul Harcourt Davies / Roman Orchid (Dactylorhiza romana) magneta colour form, near Canepina, Mount Cimino, Viterbo, Lazio, Italy, April.
01459596
Paul Harcourt Davies / Roman Orchid (Dactylorhiza romana) showing different colour forms, near Canepina, Mount Cimino, Viterbo, Lazio, Italy, April.
01459595
Paul Harcourt Davies / Roman Orchid (Dactylorhiza romana) pale yellow colour form, near Canepina, Mount Cimino, Viterbo, Lazio, Italy April.
01459594
Paul Harcourt Davies / Roman Orchid (Dactylorhiza romana) magneta colour form, near Canepina, Mount Cimino, Viterbo, Lazio, Italy April.
01459582
Paul Harcourt Davies / Scarce Serapias (Serapias neglecta) peach morph, Porto Ferraio, Elba, Tuscany, Italy, March 2009
01459581
Paul Harcourt Davies / Scarce Serapias (Serapias neglecta) bright pink morph, Porto Ferraio, Elba, Tuscany, Italy, March 2009
01459580
Paul Harcourt Davies / Scarce Serapias (Serapias neglecta) pink morph, Porto Ferraio, Elba, Tuscany, Italy, March.
01459579
Paul Harcourt Davies / Scarce Serapias (Serapias neglecta) pink morph, Porto Ferraio, Elba, Tuscany, Italy, March.
01459578
Paul Harcourt Davies / Scarce Serapias (Serapias neglecta) pale yellow morph, Porto Ferraio, Elba, Tuscany, Italy, March.
01459577
Paul Harcourt Davies / Scarce Serapias (Serapias neglecta) peach morph, Porto Ferraio, Elba, Tuscany, Italy, March.
01459574
Paul Harcourt Davies / Scarce Serapias (Serapias neglecta) pink morph, Porto Ferraio, Elba, Tuscany, Italy, March.
01459573
Paul Harcourt Davies / Scarce Serapias (Serapias neglecta) pink morph, Porto Ferraio, Elba, Tuscany, Italy, March.
01459564
Paul Harcourt Davies / Elderflower orchid (Dactylorhiza sambucina) in its two colour forms on Campo Imperatore, Gran Sasso, Appennines, Abruzzo, Italy. May.
01459563
Paul Harcourt Davies / Elderflower orchid (Dactylorhiza sambucina) in its two colour forms on Campo Imperatore, Gran Sasso, Appennines, Abruzzo, Italy. May.
01459522
Paul Harcourt Davies / Siponto Ophrys (Ophrys sipontensis) an orchid endemic to the Gargano peninsula, unusual green form. Nr Manfredonia, Gargano, Puglia, Italy, March.
01457861
Ernie Janes / *** Greylag goose (Anser anser) flock in flight with single white plumage bird, UK, September.
01450889
Andy Trowbridge / Arctic Fox cub (Alopex / Vulpes lagopus) close up portrait, blue morph. Dovrefjell National Park, Norway, September.
01450923
Andy Trowbridge / Arctic Fox cub (Alopex / Vulpes lagopus) lying on rock, portrait, blue morph. Dovrefjell National Park, Norway, September.
01450926
Andy Trowbridge / Arctic Fox cub (Alopex / Vulpes lagopus) portrait, blue morph, autumn colours in the background. Dovrefjell National Park, Norway, September.
01450882
Andy Trowbridge / Arctic Fox cub (Alopex / Vulpes lagopus) portrait, blue morph. Dovrefjell National Park, Norway, September.
01450924
Andy Trowbridge / Arctic Fox cub (Alopex / Vulpes lagopus) running, blue morph. Dovrefjell National Park, Norway, September.
01450890
Andy Trowbridge / Arctic Fox cub (Alopex / Vulpes lagopus) with tongue out licking nose, blue morph, portrait. Dovrefjell National Park, Norway, September.
01450908
Andy Trowbridge / Arctic Fox cub (Alopex / Vulpes lagopus) standing in fresh snow, blue morph. Dovrefjell National Park, Norway, September.
01450884
Andy Trowbridge / Arctic Fox cub (Alopex / Vulpes lagopus) stalking, blue morph. Dovrefjell National Park, Norway, September.
01450907
Andy Trowbridge / Arctic Fox cub (Alopex / Vulpes lagopus) in snow, blue morph. Dovrefjell National Park, Norway, September.
01455095
Jussi Murtosaari / Arctic skua (Stercorarius parasiticus) light and dark forms, Norway, June.
01449320
Chris & Monique Fallows / Southern Giant Petrel (Macronectes giganteus), white morph, with oil stains, Cape Point, South Africa, September.
01449753
Paul Hobson / Puffins (Fratercula arctica) in flight over snow, in winter plumage, Norway, March.
01449752
Paul Hobson / Puffins (Fratercula arctica) in snow in winter plumage, Norway, March.
01449751
Paul Hobson / Puffins (Fratercula arctica) in snow in winter plumage, Norway, March.
01449699
Paul Hobson / Common Marbled Carpet (Chloroclysta truncata) dark morph, resting on wood, Sheffield
01451740
Bertie Gregory / Vancouver Island Grey wolf (Canis lupus crassodon) dark morph and light morph, Vancouver Island, British Columbia, Canada.
01451739
Bertie Gregory / Vancouver Island Grey wolf (Canis lupus crassodon) dark morph and light morph, Vancouver Island, British Columbia, Canada.
01451738
Bertie Gregory / Vancouver Island Grey wolf (Canis lupus crassodon) dark morph Vancouver Island, British Columbia, Canada.
01450098
Roger Powell / Sanderling (Calidris alba) in breeding plumage feeding on sandy shore. Varanger Fjord, Finmark, Norway, June.
01450097
Roger Powell / Sanderling (Calidris alba) in breeding plumage on sandy shore. Varanger Fjord, Finmark, Norway, June.
01450085
Roger Powell / Little Stint (Calidris minuta) in partial breeding plumage feeding along the sandy shore. Varanger Fjord, Finmark, Norway, June.
01450084
Roger Powell / Little Stint (Calidris minuta) in breeding plumage feeding along the sandy shore. Varanger Fjord, Finmark, Norway, June.
01450083
Roger Powell / Little Stint (Calidris minuta) in breeding plumage feeding along the shore. Varanger Fjord, Finmark, Norway, June.
01450082
Roger Powell / Little Stint (Calidris minuta) moulting from winter to breeding plumage - feeding along the shore. Varanger Fjord, Finmark, Norway, June.
01450067
Roger Powell / Curlew Sandpiper (Calidris ferruginea) coming into breeding plumage feeding for grubs in the kelp beds. Varanger shoreline, Finmark, Norway, June.
01450066
Roger Powell / Curlew Sandpiper (Calidris ferruginea) in full breeding plumage walking over the kelp beds. Varanger shoreline, Finmark, Norway, June.
01450065
Roger Powell / Curlew Sandpiper (Calidris ferruginea) in full breeding plumage standing on the beach. Varanger shoreline, Finmark, Norway, June.
01450064
Roger Powell / Curlew Sandpiper (Calidris ferruginea) in full breeding plumage, with a grub in its beak whilst feeding on a kelp bed. Varanger shoreline, Finmark, Norway, June.
01450063
Roger Powell / Curlew Sandpiper (Calidris ferruginea) in full breeding plumage walking on the beach. Varanger shoreline, Finmark, Norway, June.
01450062
Roger Powell / Curlew Sandpiper (Calidris ferruginea) in full breeding plumage standing on the beach. Varanger shoreline, Finmark, Norway, June.
01450061
Roger Powell / Curlew Sandpiper (Calidris ferruginea) in partial breeding plumage standing over the kelp beds. Varanger shoreline, Finmark, Norway, June.
01450060
Roger Powell / Curlew Sandpiper (Calidris ferruginea) in full breeding plumage running over the kelp beds. Varanger shoreline, Finmark, Norway, June.
01450059
Roger Powell / Two Curlew Sandpipers (Calidris ferruginea) in full breeding plumage watchful beside the kelp beds. Varanger shoreline, Finmark, Norway, June.
01450058
Roger Powell / Curlew Sandpiper (Calidris ferruginea) in full breeding plumage, feeding on grubs, Varanger shoreline, Finmark, Norway, June.
01450057
Roger Powell / Curlew Sandpiper (Calidris ferruginea) in full breeding plumage scratching its head while preening. Varanger shoreline, Finmark, Norway, June.
01450056
Roger Powell / Curlew Sandpiper (Calidris ferruginea) in full breeding plumage, feeding on grubs, Varanger shoreline, Finmark, Norway, June.
01450055
Roger Powell / Curlew Sandpiper (Calidris ferruginea) in full breeding plumage, excreting salt water by 'sneezing' it from its beak after feeding. Varanger shoreline, Finmark, Norway, June.
01450046
Roger Powell / Pair of Arctic Skuas (Stercorarius parasiticus) dark phase male and light phase female. Varanger, Finmark, Norway
01450045
Roger Powell / Male dark phase Arctic Skua (Stercorarius parasiticus) courtship feeding light phase female. Varanger, Finmark, Norway, May.
01452526
MYN / JP Lawrence / Strawberry Poison Frog (Oophaga pumilio) one of many colour morphs, Escudo de Veraguas, Panama. Meetyourneighbours.net project
01452524
MYN / JP Lawrence / Strawberry Poison Frog (Oophaga pumilio) one of many colour morphs, Escudo de Veraguas, Panama. Meetyourneighbours.net project
01452508
MYN / JP Lawrence / Strawberry Poison Frog (Oophaga pumilio) one of many colour morphs, Dolphin Bay, Panama. Meetyourneighbours.net project
01452507
MYN / JP Lawrence / Strawberry Poison Frog (Oophaga pumilio) one of many colour morphs, Dolphin Bay, Panama. Meetyourneighbours.net project
01452506
MYN / JP Lawrence / Strawberry Poison Frog (Oophaga pumilio) one of many colour morphs, Dolphin Bay, Panama. Meetyourneighbours.net project
01452504
MYN / JP Lawrence / Strawberry Poison Frog (Oophaga pumilio) one of many colour morphs, Dolphin Bay, Panama. Meetyourneighbours.net project
01452505
MYN / JP Lawrence / Strawberry Poison Frog (Oophaga pumilio) one of many colour morphs, Dolphin Bay, Panama. Meetyourneighbours.net project
01452503
MYN / JP Lawrence / Strawberry Poison Frog (Oophaga pumilio) one of many colour morphs, Rio Uyama, Panama. Meetyourneighbours.net project
01452502
MYN / JP Lawrence / Strawberry Poison Frog (Oophaga pumilio) one of many colour morphs, Rio Uyama, Panama. Meetyourneighbours.net project
01452501
MYN / JP Lawrence / Strawberry Poison Frog (Oophaga pumilio) one of many colour morphs, Rio Uyama, Panama. Meetyourneighbours.net project
