Jussi Murtosaari / Daubenton's bat (Myotis daubentonii) hunting a mosquito. central Finland, June.

Solvin Zankl / Schreiber's long fingered bat (Miniopterus schreibersi) in flight in cave, Grotta Monte Majore, Sardinia, Italy. Highly commended, Mammals category, GDT 2012 competition.

Eric Medard / Bechstein's Bat (Myotis bechsteinii) in flight at night, mouth open to emit echolocating calls. France, Europe, September.

Eric Medard / Whiskered Bat (Myotis mystacinus) in flight low over water, drinking in flight. France, Europe, July.

Eric Medard / Bechstein's Bat (Myotis bechsteinii) in flight in cave. France, Europe, August.

Eric Medard / Lesser Mouse Eared Bat (Myotis blythii) in flight in cave. France, Europe, August.

Eric Medard / Kuhl's Pipistrelle Bat (Pipistrelle kuhlii) in flight low over water, with splash from drinking in flight. France, Europe, May.

Eric Medard / Western Barbastelle Bat (Barbastella barbastella) in flight low over water, mouth open to emit echolocating calls. France, Europe, July.

Eric Medard / Natterer's Bat (Myotis nattereri) flying low over water to drink, with long-exposure star-trails. France, Europe, July.

Dale Sutton / 2020VISION / Adult Daubenton's bat (Myotis daubentoni) flying over a weir, England, UK, September. 2020VISION Exhibition. Did you know? This species is know as the 'water bat', and catches insects from the water s...

Steve Gettle / Pallid Bat (Antrozous pallidus) drinking at night while in flight, Arizona

Michael Durham / Western Long-eared Myotis (Myotis evotis) about to drink from a man-made guzzler, high-desert transition zone in the Deschutes National Forest, Oregon

Michael Durham / Silver-haired Bat (Lasionycteris noctivagans) illustrating wing movement during flight, Rogue River National Forest, Oregon, digital composite

Michael Durham / Yuma Myotis (Myotis yumanensis) bat, female pursuing a moth on the wing, Oregon

Michael Durham / Yuma Myotis (Myotis yumanensis) bat, male capturing a forest moth, Oregon

Michael Durham / Western Pipistrelle (Pipistrellus hesperus) bat flying over desert scrub, near Pine Creek in the John Day Fossil Beds National Monument, Clarno Unit, Oregon, this is the smallest bat found north of Me...

Michael Durham / Western Pipistrelle (Pipistrellus hesperus) bat chases a moth over desert scrub, near Pine Creek in the John Day Fossil Beds National Monument, Clarno Unit, Oregon

Michael Durham / Little Brown Bat (Myotis lucifugus) pursues a forest moth, the mouth is open to allow the bat to echolocate when a moth is caught, it is scooped up in the wing and then delivered to the mouth, digital...

Piotr Naskrecki / Dobson's Pipistrelle (Pipistrellus grandidieri) pair drinking, Gorongosa National Park, Mozambique

Piotr Naskrecki / Butterfly Bat (Glauconycteris variegata) drinking, Gorongosa National Park, Mozambique

Michael Durham / Hoary Bat (Lasiurus cinereus) male flying, Conasauga River, Chattahoochee-Oconee National Forest, Georgia

Chien Lee / Hardwicke's Woolly Bat (Kerivoula hardwickii) arriving at Pitcher Plant (Nepenthes hemsleyana) pitcher to roost, Brunei

Michael Durham / Pallid Bat (Antrozous pallidus) flying at night, Washington

Michael Durham / Pallid Bat (Antrozous pallidus) flying at night, Washington

Michael Durham / Eastern Big-eared Bat (Corynorhinus rafinesquii) flying at night, Big Thicket National Preserve, Texas

Robin Chittenden / Brown long-eared bat (Plecotus auritus) in the hand prior to release following recuperation, Norfolk, UK. September.

Bruce Thomson / Desert long-eared bat (Otonycteris hemprichi), portrait, Sinai Peninsula, Egypt.

Bruce Thomson / Long-eared / Lappet-eared bat (Plecotus austriacus), portrait, Sinai Peninsula, Egypt.

Bruce Thomson / Golden-tipped bat (Phoniscus papuensis) gripping on to a tree trunk, Bunya Mountains, Queensland, Australia.

Bruce Thomson / Little pied bat (Chalinolobus picatus) crawling down tree, Glue Pot Reserve, South Australia.

Bruce Thomson / Chocolate wattled bat (Chalinolobus morio) on tree trunk, Dryandra Forest, Western Australia.

Bruce Thomson / Western false pipistrelle (Falsistrellus mackenziei) sitting on branch, Windy Harbour, Western Australia.

Bruce Thomson / Western long-eared bat (Nyctophilus major ssp. tor) Balladonia, Western Australia.

Bruce Thomson / Kimberley cave bat (Vespadelus douglasorum) clinging on to rock face, Geike Gorge, Western Australia.

Bruce Thomson / Northern cave bat (Vespadelus caurinus) on rock, Victoria River, Northern Territory, Australia.

Bruce Thomson / Pygmy long-eared bat (Nyctophilus walkeri) on tree trunk, Adelaide River, Northern Territory, Australia.

Bruce Thomson / Northern bentwing bat (Miniopterus orianae orianae) gripping on to rock wall, Darwin, Northern Territory, Australia.

Bruce Thomson / Northern long-eared bat (Nyctophilus daedalus) gripping on to tree bark, Adelaide River, Northern Territory, Australia.

Bruce Thomson / Arnhem long-eared bat (Nyctophilus arnhemensis) on tree branch, Darwin, Northern Territory, Australia.

Bruce Thomson / Gould's wattled bat (Chalinolobus gouldii) flying from roost hollow, Alice Springs, Northern Territory, Australia.

Bruce Thomson / Inland cave bat (Vespadelus finlaysoni) resting on a rock, Tennant Creek, Northern Territory, Australia.

Bruce Thomson / Little forest bat (Vespadelus vulturnus) on tree trunk, Alice Springs, Northern Territory, Australia.

Bruce Thomson / Inland broad-nosed bat (Scotorepens balstoni) on branch, Alice Springs, Northern Territory, Australia.

Bruce Thomson / Golden-tipped bat (Phoniscus papuensis), portrait, Ravenshoe, Queensland, Australia.

Bruce Thomson / Eastern false pipistrelle (Falsistrellus tasmaniensis), portrait, Glen Innes, New South Wales, Australia.

Bruce Thomson / Chocolate wattled bat (Chalinolobus morio), portrait, Glen Innes, New South Wales, Australia.