Bertie Gregory / 2020VISION / White spoonbill (Platalea leucorodia) feeding with water dripping from its bill, Brownsea Island, Dorset, England, UK, January

Stephen Dalton / Water dripping from tip of leaf, UK

Wild Wonders of Europe / Damschen / Grey heron (Ardea cinerea) with water dripping from beak, Elbe Biosphere Reserve, Lower Saxony, Germany, September 2008

Wild Wonders of Europe / Widstrand / Eurasian brown bear (Ursus arctos) standing with water dripping from its paws, Kuhmo, Finland, July 2008

Solvin Zankl / Honey dripping from nest of Giant honey bee (Apis dorsata binghami) that has been cut from tree before being squeezed to harvest wild honey, North Pamona sub-district, Sulawesi, Indonesia

Yva Momatiuk & John Eastcott / Alaska Moose (Alces alces gigas) bull with water dripping from antlers after feeding in glacial kettle pond, Denali National Park and Preserve, Alaska

Floris van Breugel / Strange ice stalagmites collect under slowly dripping water in one of the many lava tube caves of Lava Beds National Monument, Northern California, USA, December

Bertie Gregory / 2020VISION / Black-tailed godwit (Limosa limosa) silhouetted at sunrise, with water dripping from its bill, Brownsea Island, Dorset, England, UK, February

Tony Heald / African elephant (Loxodonta africana) bull in musth showing urine dripping, Etosha National Park, Namibia October

Bernard Castelein / Painted stork (Mycteria leucocephala) in flight, bringing water to its thirsty chicks, Keoladeo Ghana NP, Bharatpur, Rajasthan, India

Brent Stephenson / Pied cormorant (Phalacrocorax varius) resting on a rock. Note concentrated salt water droplet dripping from bill tip. Kaikoura, Canterbury, New Zealand, October.

Mark Hamblin / 2020VISION / Greylag goose (Anser anser) adult on lake, water dripping from beak, backlit, Scotland, UK, May 2010

Steven Kazlowski / Polar bear (Ursus maritimus) adult on an ice floe along Spitsbergen and the northwest coast of the Svalbard Archipelago, Norway, Greenland Sea, July

Steven Kazlowski / Polar bear (Ursus maritimus) perches atop an ice floe along Spitsbergen and the northwest coast of the Svalbard Archipelago, Norway, Greenland Sea, July

Marie Read / Elegant Tern (Sterna / Thallaseus elegans), in flight, dripping water after diving for fish. Bolsa Chica Ecological Reserve, California, USA, July.

Andy Rouse / Grizzly Bear (Ursus arctos horribilis) walking by a river, dripping water. Katmai, Alaska, USA, August.

Yva Momatiuk & John Eastcott / Alaska Moose (Alces alces gigas) sub-adult bull with antlers shedding velvet feeding in tundra pond, Denali National Park, Alaska

Mark Carwardine / Mute swans (Cygnus olor) one with water dripping from beak, Slimbridge, Gloucestershire, UK, September

Mark Carwardine / Bewick's / Tundra swan (Cygnus columbianus) with water dripping from beak, Slimbridge, Gloucestershire, UK, March

Mark Carwardine / Mute swan (Cygnus olor) with water dripping from beak, Slimbridge, Gloucestershire, UK, December

LYNN M. STONE / Grizzly Bear (Ursus arctos horribilis) splashing towards shore with a Chum Salmon caught in McNeil River, Alaska, USA, July (Note orange salmon eggs on bear, on its right eye, and dripping into water)

Pete Oxford / Bull Southern Elephant Seal (Mirounga leonina) after fighting for take over of the harem. Even a short fight usually results in both bulls getting badly cut on their necks and faces. The Tussock Bird...

Pete Oxford / Brown Pelican beak (Pelecanus occidentalis urinator) Hyper saline solution dripping from the beak tip. This is a common phenomenon amongst sea birds which have a salt gland capable of removing excess...

Michael Quinton / Alaska Moose (Alces alces gigas) male foraging for aquatic vegetation, Alaska

Murray Cooper / Passion Flower (Passiflora sp) spiral with water droplet, western slope of Andes

Alex Hyde / Resin dripping from conifer tree, Austrian Alps.

Pete Oxford / Rockhopper Penguin (Eudyptes chrysocome) bathing in freshwater, Keppel Island, Falkland Islands

Pete Oxford / Rockhopper Penguin (Eudyptes chrysocome) bathing in freshwater, Keppel Island, Falkland Islands

Pete Oxford / Rockhopper Penguin (Eudyptes chrysocome) bathing in freshwater, Keppel Island, Falkland Islands

Pete Oxford / Macaroni Penguin (Eudyptes chrysolophus) bathing in freshwater, Keppel Island, Falkland Islands

Wild Wonders of Europe / Presti / Danube Delta with water dripping from trees, Romania, May 2009

Donald M. Jones / Moose (Alces alces shirasi) cow feeding, western Montana

Donald M. Jones / Moose (Alces alces shirasi) cow feeding, western Montana

Donald M. Jones / Alaska Moose (Alces alces gigas) bull feeding, central Alaska

Donald M. Jones / Moose (Alces alces shirasi) cow feeding, western Montana

Steve Knell / Bewick's swan (Cygnus columbianus bewickii) with water droplets dripping from bill after drinking, Slimbridge WWT, Gloucestershire, England, January

Andy Rouse / Grizzly bear (Ursus arctos horribilis) dripping with water from fishing, Katmai, Alaska (non-ex)

Michael Durham / Morocco Iris (Iris tingitana) and Spanish Iris (Iris xiphium) hybrid with water droplet, North America

Michael Durham / Autumn leaf over a pool of water, western Oregon

Michael Durham / Black Tupelo (Nyssa sylvatica) leaf in autumn with water droplet, Oregon

Michael Durham / Green leaf with water droplet, North America

Karl Ammann / Bonobo {Pan paniscus} sponge drinking, squeezing lake weed and dripping out water into mouth. Lola Ya Bonobo Sanctuary, Kinshasa, DR of Congo, 2007

Karl Ammann / Bonobo {Pan paniscus} sponge drinking, squeezing lake weed and dripping out water into mouth. Lola Ya Bonobo Sanctuary, Kinshasa, DR of Congo, 2007

Michael Quinton / Alaska Moose (Alces alces gigas) female with water dripping from face after feeding, Alaska

Michael Quinton / Alaska Moose (Alces alces gigas) female lifting head from water, Cheena River, Alaska

Kim Taylor / Water dripping from a Rose leaf, digital composite, UK

Kim Taylor / Water dripping from a Rose leaf, UK

Kim Taylor / Water with added glycerin dripping from a rose leaf showing the effects of increased viscosity. UK

Kim Taylor / Water dripping from a Rose leaf, digital composite, UK

Yva Momatiuk & John Eastcott / Stream in native bush, trees, ferns, bushes, green and dripping with moisture even in winter, West Coast, South Island, New Zealand

Yva Momatiuk & John Eastcott / Native bush, trees, ferns, bushes, green and dripping with moisture even in winter, West Coast, South Island, New Zealand

Steve Knell / Mute swan (Cygnus olor) Pair in courtship with water dripping from bill. Gloucestershire, UK, February 2007

LYNN M. STONE / Sugar maple sap dripping through spigot for syrup production, Vermont, USA

Solvin Zankl / Honey dripping from nest of Giant honey bee (Apis dorsata binghami) that has been cut from tree before being squeezed to harvest wild honey, North Pamona sub-district, Sulawesi, Indonesia

Claus Meyer / Venom dripping from snake tooth, Brazil

David Noton / Abstract rain drops on leaf tips, rainforest, Cape Tribulation, Queensland, Australia

Onne van der Wal / Cleaning the fishing reels at sunset on a sport fishing boat, Guatemala.

Angelo Giampiccolo / Yellow sponges reproducing, Sanghaneb Reef, in the Red Sea, Sudan.

Angelo Giampiccolo / Yellow sponges reproducing on the Sanghaneb Reef in the Red Sea, Sudan.

Angelo Giampiccolo / Yellow sponges reproducing, Sanghaneb Reef, in the Red Sea, Sudan.