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Blick Winkel

A dice snake pretends to be dead next to a creek in Creta, Greece.

The fishing cat is an unusual and highly adapted small cat found in India and Southeast Asia. With partially webbed feet and a strong tail to aid swimming, a double coat and big eyes to allow it to spot prey through the water's surface, it perfectly suits its name – and predatory vocation.

A Eurasian lynx feeds on a deer. Overpopulation of deer causing overgrazing is one of the ecological problems Britain faces after the extermination of predators such as lynx and wolves long ago. But can the modern countryside cope with their reintroduction?

Spiny butterfly rays blend into the sand, camouflaging themselves to hunt small fish, crustaceans, and molluscs. They were bred in captivity for the first time in August as part of project to help conserve the species.

Zebrafish, like the adult seen here, seem to experience sleep cycles that are similar to REM sleep in humans, according to a new study that looked at neural activity in the tiny aquatic animals.

Simone Moro proved that he was not a “one off” by making his second first ascent of an 8,000er in winter. He teamed up with Kazakh climber Denis Urubko to make the first winter ascent of Makalu on February 9, 2009. By now, it was more common for winter climbers to not only eschew the use of supplemental oxygen, but to also climb alpine style, with no Sherpa support, fixed lines, or prepared camps.

A pink chalcedony shows off its beauty. Chalcedonies include many types of cryptocrystalline quartz gems and feature a number of different colours. Geologists can tell a chalcedony from the arrangement and structure of its crystals.

A group of three mating slipper limpets, whose males have penises as long as their bodies.

A female brown widow spider protects her cocoon of eggs.

Ghost orchid (Epipogium aphyllum).