Jordi Chias / Leopard seal (Hydrurga leptonyx) resting over an iceberg, Antarctic Peninsula, Antarctica.

Jordi Chias / Iceberg, Antarctic Peninsula, Antarctica.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) split level view, New Zealand, March.

Tony Wu / Juvenile Australian sea lion (Neophoca cinerea) resting in shallows, possibly to thermoregulate, Carnac Island, Western Australia.

Wim van den Heever / African Wild dogs or Cape hunting dogs (Lycaon pictus) at close range taken from ground level, Zimanga Private Game Reserve, South Africa.

Bence Mate / Dalmatian pelicans (Pelecanus crispus) low angle perspective of open bills whilst feeding, Lake Kerkini, Greece, February.

Bence Mate / Dalmatian pelicans (Pelecanus crispus) low angle perspective of open bills whilst feeding, Lake Kerkini, Greece, February.

Bence Mate / Dalmatian pelicans (Pelecanus crispus) low angle perspective of open bills whilst feeding, Lake Kerkini, Greece, February.

Bence Mate / Dalmatian pelicans (Pelecanus crispus) low angle perspective of open bills whilst feeding, Lake Kerkini, Greece, February.

Bence Mate / Dalmatian pelicans (Pelecanus crispus) low angle perspective of open bills whilst feeding, Lake Kerkini, Greece, February. Highly commended in World of Birds category in the Cadiz Photo Nature Competi...

Solvin Zankl / Portuguese man-of-war (Physalia physalis) colony, underwater Sargasso Sea, Bermuda

Chris & Monique Fallows / Wandering albatross (Diomedea exulans), feeding and cleaning.