Gary Bell/ Oceanwide / Common Lionfish (Pterois volitans) hunting Basslets (Pseudanthias sp), Christmas Island, Australia

Gary Bell/ Oceanwide / Whitemouth Moray (Gymnothorax meleagris) being cleaned by Cleaner Wrasse (Labroides sp) juvenile, Christmas Island, Australia

Marie Read / Northern cardinal (Cardinalis cardinalis) male perched amid snow-covered branches, New York, USA, February.

Ashley Cooper / Needle ice on Holly leaves (Ilex europaeus) in a woodland in Ambleside Cumbria UK. December 2008

Guy Edwardes / Gold Hill in winter, Shaftesbury, Dorset, England, UK. January 2010.

Jack Dykinga / Western sword fern (Polystichum munitum) and Big leaf maple (Acer macrophyllum) trees that are covered with moss, Hoh Temperate Rainforest, Olympic National Park, Washington, USA. June 2017.

Ingo Arndt / Blue Crab (Discoplax hirtipes) with claws raised in defensive / aggressive posture, endemic to Christmas Island, Indian Ocean, Australian Territory

Ingo Arndt / Blue Crab (Discoplax hirtipes) with claws raised in defensive / aggressive posture, endemic to Christmas Island, Indian Ocean, Australian Territory

Ingo Arndt / Christmas Island Frigatebird (Fregata andrewsi) in flight, This bird is critically endangered, and endemic to Christmas Island. Christmas Island, Indian Ocean, Australian Territory. November.

Ingo Arndt / Christmas Island Red Crab (Gecarcoidea natalis) blurred view of vast number of individuals moving along their annual migration route, Christmas Island, Indian Ocean, Australian Territory

Ingo Arndt / Brown Booby (Sula leucogaster plotus) head portrait, with wide bill open, Christmas Island, Indian Ocean, Australian Territory, November

Ingo Arndt / Golden Bosun / Tropicbird (Phaethon lepturus fulvus) in flight, endemic to Christmas Island, Indian Ocean, Australian Territory, November