Sergio Hanquet / Scientists performing Sperm whale (Physeter macrocephalus) calf necropsy on beach to determine cause of death, whale found drifting at sea. Tenerife, Canary Islands. 2010.

Nick Upton / Wood pigeon pair (Columba palumbus) courting on a lichen covered branch in late afternoon light, Gloucestershire, UK, April.

Nick Upton / Three Backwell Enviromental Trust volunteers coppicing young trees using hand saws and axes to increase biodiversity and to improve the woodland habitat for Hazel Dormice (Muscardinus avellanarius) ne...

Nick Upton / Backwell Enviroment Trust volunteer pushing over a young tree he has coppiced with a saw to increase biodiversity and to improve the habitat for Hazel Dormice (Muscardinus avellanarius) in woodland ne...

Nick Upton / Backwell Enviroment Trust volunteer coppicing young tree with a saw to increase biodiversity and to improve the habitat for Hazel Dormice (Muscardinus avellanarius) in woodland near Bristol, Somerset,...

Mark Moffett / Jim Patton with audience giving impromptu lecture on how to properly dissect a rat, agricultural station near Kerman, Iran

Edwin Giesbers / Researchers examining Raptor pellets to identify eaten prey. Part of a 60 year long-term study led by Fred Koning to monitor raptors and their nests in a 3,400 hectare area of coastal dunes. Near Amst...

Edwin Giesbers / Raptor pellet in hand, researcher dissecting pellet to discover prey eaten by bird. Part of a 60 year long-term study led by Fred Koning to monitor raptors and their nests in a 3,400 hectare area of c...