Ashley Cooper / Thermal imaging camera showing heat loss from a hot water pipe.
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Ashley Cooper / Technician using thermal imaging camera to check the thermal efficiency of a house, and where heat is lost from the house.
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Nick Upton / Close up of an Eurasian beaver (Castor fiber) under anaesthesia given by Royal Zoological Society of Scotland vets before check for tapeworm parasite (Echinococcus multilocularis). Beaver from escape...
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Nick Upton / Eurasian beaver (Castor fiber) under anaesthesia given by Royal Zoological Society of Scotland vets before check for tapeworm parasite (Echinococcus multilocularis). Beaver from escaped population on...
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Eric Baccega / African elephant (Loxodonta africana) rear view of ear showing veins for efficient heat loss, Masai Mara National Reserve, Kenya, Africa.
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Edwin Giesbers / Grey Heron (Ardea cinerea), neck retracted to reduce heat loss in snow. The Netherlands, January.
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Edwin Giesbers / Grey Heron (Ardea cinerea), neck retracted to reduce heat loss in snow. The Netherlands, January.
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Edwin Giesbers / Two Grey Heron (Ardea cinerea) in snow. They stand on one leg and retract their necks to reduce heat loss. The Netherlands, January.
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Edwin Giesbers / Grey Heron (Ardea cinerea), neck retracted and standing on leg to reduce heat loss in snow. The Netherlands, January.
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Edwin Giesbers / Grey Heron (Ardea cinerea), neck retracted and standing on one leg to reduce heat loss in snow. The Netherlands, January.
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Edwin Giesbers / Grey Heron (Ardea cinerea), neck retracted and standing on one leg to reduce heat loss in snow. The Netherlands, January.
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Edwin Giesbers / Red Squirrel (Sciurus vulgaris) standing in snow, holding a paw to its chest to reduce heat loss. Austria, January.
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Andy Rouse / Close up of rear of ear of Asian elephant (Elaphus maximus) showing veins for heat loss, captive, Pinnawala Elephant Orphanage, Sri Lanka
