Tony Wu / Fringed blenny (Chirolophis japonicus) guarding its eggs. Miyagi Prefecture, Japan.

Ingo Arndt / Bower of Vogelkop Bowerbird (Amblyornis inornatus) decorated with various types of leafs, beetle wing covers, black and brown fungi, red flowers and blue berries, Arfak Mountains, West Papua, Indonesi...

Ingo Arndt / Bower of Vogelkop bowerbird (Amblyornis inornatus) front entrance of bower decorated with red fruit and acorns, Arfak Mountains, West Papua, Indonesia.

Kevin Schafer / Satin Bowerbird (Ptilonorhynchus violaceus) male in bower decorated with blue objects and yellow flowers, Lamington National Park, Queensland, Australia

Pete Oxford / Konyak Naga boy peering out of house decorated with buffalo skulls, Konyak Naga headhunting Tribe.Mon district, Nagaland, North East India, October 2014.

Eric Baccega / Portrait of woman from the Mursi tribe, traditionally decorated and painted, wearing a large clay lip plate, Omo Valley, Ethiopia, March 2015.

Eric Baccega / Portrait of woman from the Mursi tribe, traditionally decorated and painted, wearing a large clay lip plate, Omo Valley, Ethiopia, March 2015.

Gavin Hellier / Ceremonially decorated Indian elephant (Elephas maximus) and mahout outside the Hawa Mahal / Palace of Winds, Rajasthan, Jaipur, India, 2011.

Klaus Echle / After being trapped in an empty shed, Badger (Meles meles) passes wall decorated with graffiti on its way back to the forest. Baden-Wuerttemburg, Germany, May 2010. Winner of the Man and Nature catego...

Tim Laman / Bower of Vogelkop Bowerbird (Amblyornis inornata) decorated with various types of trash and some flowers. West Papua, Indonesia, Dec 2008

Tim Laman / Satin Bowerbird (Ptilonorhynchus violaceus minor) male displays to a female who has entered his bower. This bower is decorated with all natural objects. Rainforest of the Atherton Tablelands, Queensl...

Tim Laman / Great Bowerbird (Chlamydera nuchalis) male in his bower. The center of the bower avenue is decorated with green fruits. Located on the campus of James Cook University, Townsville, Queensland, Australi...