Loic Poidevin / Injured Snow goose (Chen caerulescens) with part of a drinks can stuck on its beak, Quebec, Canada, October

Jabruson / Western lowland gorilla male feeding {G g gorilla} Lokoue bai, Odzala NP, Democratic Republic of Congo.

Jabruson / Western lowland gorilla male feeding {G g gorilla} Lokoue bai, Odzala NP, Democratic Republic of Congo.

Nigel Cattlin / Papyrus sedge (Cyperus papyrus). Koh Kret, Nonthaburi Province, Thailand.

Chris Gomersall / White-throated or Smyrna kingfisher (Halcyon smyrnensis) perched in papyrus sedge (Cyperus papyrus), and photographed against the morning sun. Hula Valley, Israel. January

Michel Roggo / Papyrus (Cyperus papyrus) and other aquatic plants on the river bed of the Okavango river, Okavango Delta, Botswana, June 2014 . Photographed for The Freshwater Project

Michel Roggo / Papyrus (Cyperus papyrus) and other aquatic plants on the river bed of the Okavango river, Okavango Delta, Botswana, June 2014 . Photographed for The Freshwater Project

Michel Roggo / Papyrus (Cyperus papyrus) growing in a channel of the Okavango River, with flower stems, Okavango Delta, Botswana, June 2014. Photographed for The Freshwater Project

Nick Upton / Tall flatsedge / Umbrella sedge (Cyperus eragrostis) with flower spikelets in montane laurel forest, Anaga Mountains,Tenerife, May.

Nick Upton / Tall flatsedge / Umbrella sedge (Cyperus eragrostis) with flower spikelets in montane laurel forest, Anaga Mountains,Tenerife, May.

Bruno D'Amicis / Harvest of Nile grass (Cyperus papyrus) Fogera Plains, Lake Tana Biosphere Reserve, Ethiopia. December 2013.

Bruno D'Amicis / Nile grass (Cyperus papyrus) harvest for sale in Bahir Dar harbour. Lake Tana Biosphere Reserve, Ethiopia. December 2013.

Bruno D'Amicis / Nile grass (Cyperus papyrus) collectors carrying harvest at sunset, Jimba Wetlands, Lake Tana Biosphere Reserve, Ethiopia. December 2013.