A pair of adorable polar bear cubs play-fight with each other in the Alaskan snow. Pictured on the coast of Kaktovik on Barter Island, the young polar bears roll around in the powdery snow as they tickle and wrestle together. Finishing their play-date, one of the cheeky bears teasingly sticks out its tongue before bounding towards their mother.
The aurora lights captured in Blair Nebraska, America - WITH electrifying purple and illuminous green brightening up the night sky, this is the rare moment a flash of 'sprite' lightening was captured on camera .
Scurrying along the branch of a tree, a little squirrel pushes a pram packed full of Easter treats .
With luminous colours and alien- like features, these magical mushrooms look like they belong on another planet .
Swirling water and sand create amazing aerial images of river deltas across Iceland .
More weather chaos is heading our way, with ice and snow already hitting areas across Birmingham .
ROLLING up snow in its tiny paws, this little squirrel is looking for a snowball fight .
WITH A wide smile plastered across his face, this little gecko is ready for his close up .
HOPPING onto the scales, these adorable baby Humboldt penguins are ready for their first weigh-in .
ROLLING across a 65-metre-high viaduct in the Alps, the red carriages of the Bernina Express add a splash of colour to the spectacular snow-covered Swiss surroundings .
Balanced on one leg, a frog assumes the crane kick martial arts stance made famous in the movie The Karate Kid .
A BAMBI was dramatically caught in mid-air by a greedy Nile crocodile in a once-in-a-million flying pincer move .
A SERENE turquoise glow glimmers from underneath these powerful icebergs .