Danny Green / Japanese crane (Grus japonensis) displaying, wings in heart shape, Hokkaido, Japan, February
01619149
Stefan Christmann / Emperor penguin (Aptenodytes forsteri), two adults brooding begging chicks aged five weeks. Atka Bay, Antarctica. September.
01577422
Frederique Olivier / Panning shot from an Emperor penguin (Aptenodytes forsteri) to a chick looking around and calling, Adelie Land, Antarctica, January.
01577418
Frederique Olivier / Emperor penguin (Aptenodytes forsteri) chick calling, with a heart shaped patch on its chest, Adelie Land, Antarctica, January.
01577414
Frederique Olivier / Emperor penguin (Aptenodytes forsteri) chick with a heart shaped patch on its chest approaching an adult, calling, Adelie Land, Antarctica, January.
01577403
Frederique Olivier / Emperor penguin (Aptenodytes forsteri) chick walking, with a heart shaped patch on its chest, Adelie Land, Antarctica, January.
01446140
Ingo Arndt / Aerial view of Hardy Reef, Great Barrier Reef, Queensland, Australia, December 2010.
01566481
Franco Banfi / Love locks on a bridge in Irkutsk, Lake Baikal, Siberia, Russia.
01558586
Ross Hoddinott / RF - Harts tongue fern (Phyllitis scolopendrium) leaf unfurling and creating the shape of a heart, Cornwall, UK, May.
01553502
SCOTLAND: The Big Picture / Whooper swan (Cygnus cygnus) pair on loch in heart shape, Cairngorms National Park, Scotland, UK, November.
01531732
Bence Mate / Leaf cutter ants (Atta sp) carrying plant matter, Costa Rica.
01522807
Solvin Zankl / Green algae (Ulva nematoidea) on white background, from Swakopmund, Namibia, Africa, South Atlantic, April. Preserved specimen.
