Gerrit Vyn / Willow Ptarmigan (Lagopus lagopus) male standing on snow covered ground, vocalising in spring courtship. Males retain the white body plumage of winter plumage and molt the head and neck feathers to th...
01209360
Rolf Nussbaumer / Chestnut-Breasted Coronet hummingbird (Boissonneaua matthewsii) adult feeding from fuchsia flower, Papallacta, Ecuador, Andes, South America, January
01627604
Lucas Bustamante / Russet-backed oropendola (Psarocolius angustifrons) building a nest. Tambopata National Reserve, Madre de Dios, Peru.
01608667
Nick Garbutt / Russet-backed oropendola (Psarocolius angustifrons), pair constructing nest. Manu Biosphere Reserve, Peru.
01608498
Magnus Lundgren / Wild Wonders of China / Fulvous forest skimmer, or Russet percher dragonfly (Neurothemis fulvia) female, Sai Kung, Hong Kong, China.
01584788
Alan Williams / Apple (Malus domestica) blossom variety 'Egremont Russet' in orchard, Cheshire, UK, May
01584786
Alan Williams / Apple (Malus domestica) blossom variety 'Egremont Russet' in orchard, Cheshire, UK, May
01499258
Konrad Wothe / Russet-backed oropendola (Psarocolius angustifrons) building a nest, Panguana Reserve, Huanuca Region, Peru.
Konrad Wothe / Russet-backed oropendola (Psarocolius angustifrons) building a nest, Panguana Reserve, Huanuca Region, Peru.
00569437
Thomas Marent / Russet-backed Oropendola (Psarocolius angustifrons), Guacharo Cave National Park, Colombia
01518976
Roland Seitre / Moustached monkey (Cercopithecus erythrotis) portrait whilst feeding, captive, occurs in Cameroon, Equatorial Guinea, and Nigeria.
00551065
Konrad Wothe / Russet-backed Oropendola (Psarocolius angustifrons) nests in blooming Coral Tree (Erythrina sp) in lowland rainforest, Panguana Nature Reserve, Peru
01492469
Paul Hobson / Russet toughshank (Collybia dryophila), Nottinghamshire, UK, November.
00544544
Tui De Roy / Russet-crowned Warbler (Basileuterus coronatus), Andes, Ecuador
01492717
Dong Lei / Russet sparrow (Passer rutilans) perched, Lantsang Mekong river, Kawakarpo Mountain, Meri Snow Mountain National Park, Yunnan Province, China.
01492716
Dong Lei / Russet sparrow (Passer rutilans) perched, Lantsang Mekong river, Kawakarpo Mountain, Meri Snow Mountain National Park, Yunnan Province, China.
01492706
Dong Lei / Russet sparrow (Passer rutilans) feeding on insect, Lantsang Mekong river, Kawakarpo Mountain, Meri Snow Mountain National Park, Yunnan Province, China.
01453003
Tim Laman / Female Russet-backed Oropendula (Psarocolius angustifrons) building a nest at Napo Wildlife Center, Yasuni National Park, Orellana Province, Ecuador, July.
01452999
Tim Laman / Female Russet-backed Oropendula (Psarocolius angustifrons) at Napo Wildlife Center, Yasuni National Park, Orellana Province, Ecuador, July.
01452998
Tim Laman / Female Russet-backed Oropendula (Psarocolius angustifrons) at Napo Wildlife Center, Yasuni National Park, Orellana Province, Ecuador, July.
01420224
Bernard Castelein / Brown Mouse Lemur (Microcebus rufus) Ialasatra, Madagascar
01420223
Bernard Castelein / Brown Mouse Lemur (Microcebus rufus) Ialasatra, Madagascar
01420222
Bernard Castelein / Brown Mouse Lemur (Microcebus rufus) Ialasatra, Madagascar
01402267
Tui De Roy / Russet crowned warbler (Basileuterus coronatus) Bellavista cloud forest private reserve, 1700m altitude, Tandayapa Valley, Andean cloud forest, Ecuador
01281722
Bryan and Cherry Alexander / Reindeer lichen (Cladonia sp.) and the autumn russet catkins of Dwarf birch (Betula nana) on the tundra in Hurry Inlet. Scoresbysund, East Greenland, September.
01340616
David Welling / Russet-tipped Clubtail Dragonfly (Stylurus plagiatus) perching on foliage. Rio Grande Calley, Hidalgo County, Texas, USA.
00454860
Tui De Roy / Russet-crowned Warbler (Basileuterus coronatus), Bellavista Cloud Forest Reserve, Tandayapa Valley, Ecuador
01317923
Pete Oxford / Russet-crowned Warbler (Basileuterus coronatus) perched on lichen covered branch, captive, Podocarpus National Park, Ecuador
01308879
Gerrit Vyn / Willow Ptarmigan (Lagopus lagopus) male standing on snow covered ground, vocalising in spring courtship. Males retain the white body plumage of winter plumage and molt the head and neck feathers to th...
01308878
Gerrit Vyn / Willow Ptarmigan (Lagopus lagopus) male standing on snow covered ground, in spring. Males retain the white body plumage of winter plumage and molt the head and neck feathers to the russet brown summer...
00446064
Pete Oxford / Russet-crowned Warbler (Basileuterus coronatus), Podocarpus National Park, Ecuador
01210338
Andy Sands / Ruby Tiger moth (Phragmatobia fuliginosa) Hertforshire, England, UK
01210339
Andy Sands / Ruby Tiger moth (Phragmatobia fuliginosa) showing underwing, Hertforshire, England, UK
01209371
Rolf Nussbaumer / Dark-backed Wood-quail (Odontophorus melanonotus) adult, Mindo, Ecuador, Andes, South America, January
01209399
Rolf Nussbaumer / Giant Antpitta (Grallaria gigantea) adult, Paz de las aves, Mindo, Ecuador, Andes, South America, January
01209362
Rolf Nussbaumer / Chestnut-Breasted Coronet hummingbird (Boissonneaua matthewsii), adult perched, Papallacta, Ecuador, Andes, South America, January
00785537
Thomas Marent / Russet-backed Oropendola (Psarocolius angustifrons) on nest, Manu, Peru
01147500
Hermann Brehm / Russet backed oropendola (Psarocolius angustifrons) perched on branch, South America
01075470
Pete Oxford / Russet mouse lemur {Microcebus rufus} Kirindy, Madagascar
01153097
Pete Oxford / Russet mouse lemur {Microcebus rufus} held in hand to show small size, Kirindy, madagascar
Thomas Marent / Russet-backed Oropendola (Psarocolius angustifrons), Las Tangaras Bird Reserve, Colombia
00569438
Thomas Marent / Russet-backed Oropendola (Psarocolius angustifrons) displaying, Guacharo Cave National Park, Colombia
21111667
Pete Oxford / Russet backed oropola {Psarocolius augustifrons} Amazonia Peru
01736590
Tim Laman / Russet-backed oropendula (Psarocolius angustifrons) female, perched in tree with nesting material in beak, Napo Wildlife Center, Yasuni National Park, Orellana Province, Ecuador.
01736587
Tim Laman / Russet-backed oropendola (Psarocolius angustifrons) female, nest building, Napo Wildlife Center, Yasuni National Park, Orellana Province, Ecuador.
01736535
Nigel Cattlin / Egremont Russet apple tree (Malus domestica) blossom with young leaves in spring, Berkshire, UK. May.
01736534
Nigel Cattlin / Egremont Russet apple tree (Malus domestica) blossom with young leaves in spring, Berkshire, UK. May.
01736622
Tim Laman / Red-eared guenon (Cercopithecus erythrotis erythrotis) male, looking down from branch in rainforest, Bioko Island, Equatorial Guinea. Endangered.
01736621
Tim Laman / Red-eared guenon (Cercopithecus erythrotis erythrotis) male, looking down from branch in rainforest, Bioko Island, Equatorial Guinea. Endangered.
01731719
Joel Sartore / Photo Ark / Brown mouse lemur (Microcebus rufus) resting, portrait, Parc Botanique et Zoologique de Tsimbazaza, Madagascar. Captive.
01731718
Joel Sartore / Photo Ark / Brown mouse lemur (Microcebus rufus) portrait, Parc Botanique et Zoologique de Tsimbazaza, Madagascar. Captive.
01731717
Joel Sartore / Photo Ark / Brown mouse lemur (Microcebus rufus) portrait, Parc Botanique et Zoologique de Tsimbazaza, Madagascar. Captive.
01725253
David Pattyn / Russet-throated Puffbird (Hypnelus ruficollis) perched on branch, Tayrona National Park, Magdalena, Colombia.
01722057
Joel Sartore / Photo Ark / Russet angelfish (Centropyge potteri) portrait, Pure Aquariums. Captive, occurs in Pacific Ocean.
01722053
Joel Sartore / Photo Ark / Russet angelfish (Centropyge potteri) portrait, Pure Aquariums. Captive, occurs in Pacific Ocean.
Doug Perrine / Male Potter's angelfish (Centropyge potteri) on reef, Pawai Bay, Hawaii, Pacific Ocean.
01703974
Doug Perrine / Male Potter's angelfish (Centropyge potteri) portrait, Pawai Bay, Hawaii, Pacific Ocean.
01703973
Doug Perrine / Male Potter's angelfish (Centropyge potteri) on reef, Pawai Bay, Hawaii, Pacific Ocean.
01703972
Doug Perrine / Male Potter's angelfish (Centropyge potteri) being cleaned of parasites by Hawaiian cleaner wrasse (Labroides phthirophagus), North Kona, Hawaii, Pacific Ocean.
01694223
Roland Seitre / Brown mouse lemur (Microcebus rufus) climbing down a tree trunk at night, Ranomafana National Park, Madagascar.
01694222
Roland Seitre / Brown mouse lemur (Microcebus rufus) on tree trunk at night, Ranomafana National Park, Madagascar.
01700733
David Fleetham / Potter's angelfish (Centropyge potteri) an endemic species, swimming over reef with various reef fish behind, Hawaii, Pacific Ocean.
01694189
Robert Thompson / Russet toughshank (Gymnopus dryophilus) toadstool cluster growing in forest floor, Ards Forest Park, County Donegal, Republic of Ireland, September.
01691518
Nick Upton / Bonnet pin mould (Spinellus fusiger) growing from cap of Russet toughshank mushroom (Collybia dryophila), GWT Lower Woods reserve, Gloucestershire, UK, October.
01691483
Nick Upton / Russet toughshank mushrooms (Collybia dryophila) emerging from rotting log, GWT Lower Woods reserve, Gloucestershire, UK, October.
01691482
Nick Upton / Russet toughshank mushrooms (Collybia dryophila) emerging from rotting log with one infected by Bonnet pin mould (Spinellus fusiger), GWT Lower Woods reserve, Gloucestershire, UK, October.
01677607
Nigel Cattlin / Citrus rust mite (Phyllocoptruta oleivora) blister damage visible on the upper side of lemon leaves, Sicily, Italy
01667473
Terry Whittaker / Brown mouse lemur (Microcebus rufus) in tree fork at night. Ranomafana National Park, Madagascar.
01667308
Nick Garbutt / Adult brown or rufus mouse lemur (Microcebus rufus) at night. Ranomafana National Park, south east Madagascar.
01641497
Nigel Cattlin / Russeting to apple fruit and bronzing to leaves by fruit tree red spider mite (Panonychus ulmi)