GLIDING through the water, these delightful frogs show off their vibrant colours as they practice their FROG crawl. The half-submerged amphibians, with bold tints of orange, green, red and blue, bob through the water. Photographer Angi Wallace, 46, captured the images in a shallow fish tank in her home in Newcastle-upon-Tyne. Angi says: âWe all associate frogs with water and yet we don't often see images of pet frogs in water.
FLOATING effortlessly on his back, this little otter laps up a rare glimmer of English spring sunshine .
COURAGEOUS CLIMBERS scale frozen waterfalls in Canada, as the ice threatens to collapse beneath them .
LIFTING their heads high and bumping beaks, these aggressive pelicans clash over fish .
THIS incredible shimmer of silver fish mirrors the image of that of an underwater tornado .
An adorable black bear cub struggles to find the perfect spot for an afternoon nap as he wriggles around on the branch of a maple tree .
BLOWING bubbles underwater, this adorable polar bear slides into his tank for a playful dip .
BALANCING 30 metres above ground, these slackliners take the expression of living dangerously one step further, by tightrope walking NAKED .
A trout manages to escape the jaws of a hungry cormorant - only to find itself back inside the bird's long beak .
Pouncing down on top of his twin brother, these two snow leopard cubs practice their kung-fu moves .
Swirling water and sand create amazing aerial images of river deltas across Iceland .
BALANCING on top of a tree, this bear cub puts her climbing skills to the test .