Andy Sands / Ring ouzel (Turdus torquatus) male perched on rock, Upper Teesdale, Durham, England, UK. May

Andy Sands / Golden plover (Pluvialis apricaria) male calling, on short turf, Upper Teesdale, Durham, England. UK

Andy Sands / Ring ouzel (Turdus torquatus) male perched on rock with beak full of food, Upper Teesdale, Durham, England, UK. May

Andy Sands / Ring ouzel (Turdus torquatus) male with beak full of food, Upper Teesdale, Durham, England, UK. May

Andy Sands / Black grouse (Tetrao tetrix) male displaying at lek, Upper Teesdale, Durham, England, UK. May

Andy Sands / Black grouse (Tetrao tetrix) male displaying at lek, Upper Teesdale, Durham, England, UK. May

Andy Sands / Snipe (Gallinago gallinago)standing among wet grass after heavy rain. Upper Teesdale, England, UK, May.

Andy Sands / Black grouse (Tetrao tetrix) male displaying at lek, Upper Teesdale, Durham, England, UK. May

Andy Sands / Snipe (Gallinago gallinago) on old fence post in rain. Upper Teesdale, Durham, England, UK, May

Michael Durham / Grey wolf (Canis lupus) head portrait, captive from Washington Range, USA

Mark MacEwen / Ring Tailed Lemur (Lemur catta) portrait, captive. Duke Lemur Center, Durham, North Carolina, USA.

Mark MacEwen / Ring Tailed Lemur (Lemur catta) scent marking spur marks left on a scent post, Duke Lemur Centre, Durham, North Carolina, USA

Mark MacEwen / Ring Tailed Lemur (Lemur catta) scent marking, digging its spurs in to mark the branch, captive Duke Lemur Center, Durham, North Carolina, USA.

Mark MacEwen / Coquerel's sifaka (Propithecus coquereli) portrait, captive Duke Lemur Center, Durham, North Carolina, USA.

Michael Durham / African honey bee (Apis mellifera scutellata) in flight, outside Bulawayo, Zimbabwe, November.

Michael Durham / Geologist and mining engineer examining a vandalised gate which allow bats access to the spaces where they hibernate and roost in the mine interior while excluding human visitors and other large anima...

Michael Durham / Male Northern long-eared myotis / bat (Myotis septentrionalis) on a birch tree, North Cherokee National Forest, Tennessee, USA, June.

Michael Durham / Eastern carpenter bee (Xylocopa virginica) covered in pollen, in flight near North Cherokee National Forest, Tennessee, USA, June.

Michael Durham / Bee mimic / Flower scarab beetle (Trichiotinus sp.) in flight, Cherokee National Forest, Tennessee, USA, June.

Michael Durham / Female Northern long-eared myotis / bat (Myotis septentrionalis) in flight at night, Cherokee National Forest, Tennessee, USA, June.

Michael Durham / Female Northern long-eared myotis / bat (Myotis septentrionalis) in flight at night, Cherokee National Forest, Tennessee, USA, June.

Michael Durham / Yellowjacket (Vespula sp) in flight, Western Oregon, USA, September.

Michael Durham / Yuma myotis (Myotis yumanensis) portrait, Rogue River National Forest, Oregon, USA, August.

Michael Durham / Myotis bat flying hunting over small watering hole in the high-desert of Central Oregon, USA, September.

Michael Durham / Female Coho salmon (Oncorhynchus kisutch) (right) guarding redd / nest site with male hovering nearby to keep other competing males from fertilizing the eggs, Thompson Creek, Oregon Coast, USA, Decemb...

Michael Durham / Two Whirligig / Gyrinidae beetles (Dineutus sp) swimming on pond, Central Texas, USA, March.

Michael Durham / Whirligig / Gyrinidae beetle (Dineutus sp) swimming on pond, Central Texas, USA, March.

Michael Durham / Western small-footed bat / myotis (Myotis ciliolabrum) in flight at night, Kaibab National Forest, Arizona, USA, July.

Michael Durham / Western small-footed bat (Myotis ciliolabrum) roosting on rock at night, near Sulphur Springs, Washington, USA, June.

Michael Durham / Western small-footed bat (Myotis ciliolabrum) roosting on a rock at night, near Sulphur Springs, High desert, Washington, USA, June.

Michael Durham / Western rattlesnake (Crotalus viridis) under a juniper tree, John Day Fossil Beds National Monument, Painted Hills Unit, Oregon, USA, July.

Michael Durham / Vietnamese mossy frog (Theloderma corticale) on branch, native to Northern Vietnam, Captive.

Michael Durham / Vietnamese mossy frog (Theloderma corticale) clinging to branch, native to Northern Vietnam, Captive.

Michael Durham / Townsend's big-eared bat (Corynorhinus / Plecotus townsendii) flying out of cave at dusk, Derrick Cave complex, Central Oregon, USA, August.

Michael Durham / La Plata / Southern three-banded armadillo (Tolypeutes matacus) foraging, Captive.

Michael Durham / Rear view of La Plata / Southern three-banded armadillo (Tolypeutes matacus) Captive.

Michael Durham / La Plata / Southern three-banded armadillo (Tolypeutes matacus) portrait, Captive.

Michael Durham / The Taylor's checkerspot butterfly (Euphydryas editha taylori) on leaf, Willamette Valley, Oregon, USA, July.

Michael Durham / Taylor's checkerspot butterfly (Euphydryas editha taylori) feeding, Willamette Valley, Oregon, USA, July.

Michael Durham / Steenbok (Raphicerus campestris) portrait, Chipangali Wildlife Orphanage, near Bulawayo, Zimababwe, November.

Michael Durham / Male Big free-tailed bat (Nyctinomops macrotis) roosting on rock, Texas, USA September.

Michael Durham / Female Spotted wing fruit fly (Drosophila suzukii) in flight over a strawberry, Oregon, USA, March.

Michael Durham / Female Spotted bat (Euderma maculatum) in flight at night, Kaibab National Forest, Arizona, USA, July.

Michael Durham / Female Spotted bat (Euderma maculatum) in flight at night, Kaibab National Forest, Arizona, USA, July.

Michael Durham / Spotted bat (Euderma maculatum) in flight at night, Kaibab National Forest, Arizona, USA, July.

Michael Durham / Spotted bat (Euderma maculatum) in flight at night, Kaibab National Forest, Arizona, USA, July.

Michael Durham / Spotted bat (Euderma maculatum) portrait, near The Grand Canyon, Kaibab National Forest, Arizona, USA, July.

Michael Durham / Spider / Pompilid wasps (Pompilidae) in flight, High desert, Washington, USA, June.

Michael Durham / Southeastern myotis (Myotis austroriparius) in flight at night, Big Thicket National Preserve, Texas, March.

Michael Durham / Southeastern myotis (Myotis austroriparius) flying out of a hollow tree roost at dusk, Central Texas, March.

Michael Durham / Silver-haired bat (Lasionycteris noctivagans) on rock, rescued as a pup, raised to adulthood, and ready for release into the wild, Central Washington, USA, June.

Michael Durham / Silver-haired bat (Lasionycteris noctivagans) on rock, that was rescued as a pup, raised to adulthood, and ready for release into the wild, Central Washington, USA, June.

Michael Durham / Coho slamon (Oncorhynchus kisutch) swimming upstream in Cedar Creek to the Sandy Fish Hatchery, Oregon, USA, October.

Michael Durham / Male Coho slamon (Oncorhynchus kisutch) swimming upstream in Cedar Creek to the Sandy Fish Hatchery, Oregon, USA, October.

Michael Durham / Rusty-spotted / Panther genet (Genetta maculata) walking along branch, Matobo National Park, Zimbabwe, November.

Michael Durham / Western small-footed bat / myotis (Myotis ciliolabrum) roosting on a rock at night, near Sulphur Springs, Washington, USA, June.

Michael Durham / Female Northern red-legged frog (Rana aurora) portrait, captive, taken with license.

Michael Durham / Female Northern red-legged frog (Rana aurora) portrait, captive, taken with license.

Michael Durham / Male Eastern red bat (Lasiurus borealis) portrait, near Conasauga River, Chattahoochee-Oconee Natonal Forest, Georgia, USA, July.

Michael Durham / Male Eastern red bat (Lasiurus borealis) on tree trunk, near the Conasauga River, Chattahoochee-Oconee Natonal Forest, Georgia, USA, July.

Michael Durham / Rafinesque's big-eared bat (Corynorhinus rafinesquii) in flight at night, Big Thicket National Preserve, Texas, USA, March.

Michael Durham / Rafinesque's big-eared bat (Corynorhinus rafinesquii) in flight at night, Big Thicket National Preserve, Texas, USA, March.

Michael Durham / Rafinesque's big-eared bat (Corynorhinus rafinesquii) portrait, resting, Big Thicket National Preserve, Texas, USA, March.

Michael Durham / Pallid bat (Antrozous pallidus) in flight at night, Kaibab National Forest, Arizona, USA, July.

Michael Durham / Technical supervisor for the Nez Perce Department Of Fisheries Resources Management holding an adult Three toothed / Pacific lamprey (Lampetra tridentata) before placing it in a holding tank. The Colu...

Michael Durham / Juvenile Three toothed / Pacific lamprey (Lampetra tridentata) USGS Columbia River Research Lab, Willard, Washington, USA.

Michael Durham / Juvenile Three toothed / Pacific lamprey (Lampetra tridentata) USGS Columbia River Research Lab, Willard, Washington, USA.

Michael Durham / Juvenile Three toothed / Pacific lamprey (Lampetra tridentata) close up of eye, USGS Columbia River Research Lab, Willard, Washington, USA.

Michael Durham / Juvenile Three toothed / Pacific lamprey (Lampetra tridentata) USGS Columbia River Research Lab, Willard, Washington, USA.

Michael Durham / Oregon spotted frog (Rana pretiosa) in water, Conboy Lake National Wildlife Refuge, Washington, USA, July, Vulnerable species.

Michael Durham / Oregon spotted frog (Rana pretiosa) portrait, Conboy Lake National Wildlife Refuge, Washington, USA, July, Vulnerable species.

Michael Durham / Northern yellow bat (Lasiurus intermedius) portrait, on palm frond, Texas, USA, September.

Michael Durham / Northern yellow bat (Lasiurus intermedius) portrait, on palm frond, Texas, USA, September.

Michael Durham / Nightstalker gecko (Cyrtodactylus intermedius) on rock, captive from Malaysia and Thailand.

Michael Durham / Nightstalker gecko (Cyrtodactylus intermedius) portrait, captive from Malaysia and Thailand.

Michael Durham / 2000 year old tree stumps uncovered by coastal erosion, Ghost Forest near Neskowin, Oregon Coast, USA, April 2008.

Michael Durham / Mexican / Brazilian free-tailed bat (Tadarida brasiliensis) perching on rock, Central Texas, USA, March.

Michael Durham / Granite outcrops on hillside, Matobo National Park, Motopos Hills, Zimbabwe, November 2011.

Michael Durham / Granite outcrops on hillside, Matobo National Park, Motopos Hills, Zimbabwe, November 2011.

Michael Durham / Male Cuckoo bee (Thyreus sp possibly T. histrionicus) in flight, Matobo National Park , Zimbabwe, November.

Michael Durham / Llittle brown bat (Myotis lucifugus) in flight at night, The Nature Conservancy's Dutch Henry Falls Preserve, Central Washington, USA, June.

Michael Durham / Rio Grande leopard frog (Lithobates / Rana berlandieri) portrait, Texas, USA, September. Controlled conditions.

Michael Durham / Hoary bat (Lasiurus cinereus) in flight, Kaibab National Forest, Arizona, USA, July.

Michael Durham / Fingers holding Giant root borer beetle (Prionus californicus) larva, Colevlle National Forest, Washington, USA, October.

Michael Durham / Giant root borer beetle (Prionus californicus) larva boring through decaying soft wood, Colevlle National Forest, Washington, USA, October.

Michael Durham / House centipede (Scutigera coleoptrata) on rotting wood, Western Washington, USA.

Michael Durham / Giant root borer beetle (Prionus californicus) larva boring through decaying soft wood, Colevlle National Forest, Washington, USA, October.

Michael Durham / Oregon spotted frog (Rana pretiosa) spawn just below the surface, Conboy Lake, Conboy Lake National Wildlife Refuge, Washington, USA, March, Vulnerable species.

Michael Durham / Young Fringed myotis bat (Myotis thysanodes) in flight, Coconino National Forest, Arizona, USA, July.

Michael Durham / Smoke from a forest fire obscuring the sun, Deschutes National Forest, Oregon, USA, August 2007.

Michael Durham / Western long-eared bat (Myotis evotis) flying out of Pond Cave, Craters of the Moon National Monument, Idaho, USA, June.

Michael Durham / Black and yellow mud dauber wasp (Sceliphron caementarium) in flight, captive, July.

Michael Durham / Tricolored bat / Eastern pipistrelle (Perimyotis / Pipistrellus subflavus) in flight, near the Conasauga River, Chattahoochee National Forest, Georgia, USA, July.

Michael Durham / Tricolored bat / Eastern pipistrelle (Perimyotis / Pipistrellus subflavus) in flight, near the Conasauga River, Chattahoochee National Forest, Georgia, USA, July.

Michael Durham / Six spotted tiger beetle (Cicindela sexguttata) in flight, East Texas, USA, March.

Michael Durham / Silver-haired bat (Lasionycteris noctivagans) in flight at night that was rescued as a pup, raised to adulthood, ready for release into the wild, Central Washington, USA, June.