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.

Heather Angel / Peach leaved bellflower (Campanula persicifolia) dissection, petals removed to show how stamens transfer pollen to style via secondary pollen presentation in bud stage. Focus stacked.

Heather Angel / Himalayan balsam (Impatiens glandulifera), dissection of flowers. Male phase above, downward projecting stamens release pollen onto backs of bumblebees and honey bees. Female phase below with downward...

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,...

Toby Roxburgh / Scientist from the Welsh Marine Environmental Monitoring team dissecting the carcass of Sowerby's Beaked Whale (Mesoplodon bidens) washed up on beach near Porthcawl to try to determine the cause of de...

Jeff Rotman / Close-up of 3 meter Tiger Shark (Galeocerdo cuvier) caught in anti-shark net hanging before dissection. Natal Sharks Board, Umhlanga, South Africa Model released.

Jeff Rotman / Three meter Tiger Shark (Galeocerdo cuvier) caught in anti-shark net being prepared for dissection. Natal Sharks Board, Umhlanga, South Africa

Jeff Rotman / Frozen sharks caught in anti-shark net await dissection. Natal Sharks Board, Umhlanga, South Africa

Jeff Rotman / Three meter Tiger Shark (Galeocerdo cuvier) caught in anti-shark net awaits dissection and jaw extraction. Natal Sharks Board, Umhlanga, South Africa