Photo of the day

Argentina: Tarantula mating ritual. He strokes her legs gently but quickly in order to subdue her - sending her into a paralyzed trance. While the female is under his spell, he quickly deposits the packet of sperm into the femaleís reproductive organs . This image is from Wild Argentina.

Grizzly bears are one of the largest living carnivores. This image is from Extreme Animals.

Saltwater Crocodile with fish in mouth. This image is from Boss Croc.

The Common (European) Cuttlefish is generally found in the eastern North Atlantic, the English Channel and the Mediterranean Sea. This image is from Survive The Wild.

Namibia: The Kunene Desert Elephants share their habitat with farmers and their livestock – this often causes serious consequences on both sides. This image is from Namibia: Sanctuary of Giants.

Taiwan: Male Emerald Green Tree Frogs are smaller than females. They will grip onto the female's back during mating; clinging on as the female hops to find a suitable place to lay her eggs. This image is from Wild Far East.

Guanaco in Chilean Patagonia. This image is from Extreme Animals.

Queensland, Australia: Big Bertha in s confrontation with a male cassowary called Taiga, who can be seen in the distance. This image is from Dino Bird.

Hamburg, Germany: The completed Elbphilharmonie, as seen from the river, at night. The lower half of the building is the old Kaispeicher A warehouse, which dates back to the 1960s - the glass section on the top is new. This image is from World's Greatest Concert Hall.

Great White Shark teeth. This image is from Planet Carnivore: Perfect Killers.

Zebra (Equus burchell's) running and jumping, Kruger National Park. This image is from Survive The Wild.

Thailand: The variety of habitats of the Far East have generated an incredibly high diversity of species, with predators and prey, insects and colourful birds such as this Hornbill. This image is from Wild Far East.

The buffalo and deer Bengal tigers prey upon are unable to see the colour orange, rendering the predator near invisible to them among the undergrowth. This image is from Extreme Animals.

Qayarrah, Iraq: A village celebrates the departure of ISIS by Iraqi special forces. This image is from Hell on Earth: The Fall of Syria and Rise of ISIS.

Angola, Africa: Gentle Silverbacks Lowland Gorilla. This image is from Survive The Wild.

India: King cobra (Ophiophagus hannah) facing camera centre, tongue flicking. Tree in background. This image is from Search for King Cobra.

Namibia: At the age of three years, each Black Rhino gets its horn cut off – so the poachers have no reason to kill it for. This image is from Namibia: Sanctuary of Giants.

Tiger Shark. This image is from Planet Carnivore: Perfect Killers.

Saltwater Crocodile with dead snake in mouth. This image is from Boss Croc.

Male red back spiders are the perfect dinner date; both stimulating company and the main course. This image is from Extreme Animals.

Argentina: Late November on the northern Patagonian coast. This image is from Wild Argentina.

Queensland, Australia: The head and casque of a female cassowary: Bertha. She is over forty years old and the dominant bird in her rainforest territory. The casque continues to grow throughout the life of a cassowary and is thought to be used in communication between individuals. This image is from Dino Bird.

Kenya, Africa: Small herd of giraffes in Kenya. This image is from Survive The Wild.

Northern Aleppo, Syria: Ahrar al-Sham a Syrian rebel group, trains outdoors in Northern Aleppo. This image is from Hell on Earth: The Fall of Syria and Rise of ISIS.

A polar fox runs across the snow. This image is from Planet Carnivore: Perfect Killers.

India: King cobra (Ophiophagus hannah) slithering on dry grass, raised head. This image is from Search for King Cobra.

Flatworms are armed, flexible and dangerously bisexual. These marine hermaphrodites engage in violent sexual sword fights with the loser bearing the physical burden of pregnancy. This image is from Extreme Animals.

Australia: Crocodile in leafy shade. This image is from Boss Croc.

South Africa: Watchful meerkats standing guard. This image is from Survive The Wild.