A large female leopard seal greets photographer Göran Ehlmé. Anvers Island, Antarctica	A young polar bear leaps between ice floes. Barents Sea, Svalbard, Norway	A kittiwake soars in front of a large iceberg. Svalbard, Norway	Narwhals dive deep under the ice to feed on Arctic cod, then return to the surface to breathe and raise their tusks high in the air. Lancaster Sound, Nunavut, Canada	Mother bear and two-year-old cub drift on glacier ice. Hudson Strait, Nunavut, Canada

A gentoo penguin chick peeks, checking for patrolling leopard seals before tempting fate. Port Lockroy, Antarctic Peninsula	A leopard seal feeds Paul Nicklen a penguin. Antarctic Peninsula	A large bull walrus returns to the shores of Prins Karl Forland after diving and feeding on clams. Svalbard, Norway	Looking towards an uncertain future, a huge male bear triggers a camera trap, taking his own picture. Leifdefjorden, Spitsbergen, Norway	In the Arctic spring, meltwater channels drain toward and down a seal hole, returning to the sea.