Linda Pitkin / 2020VISION / Conservation officer Joanne Backshall and volunteers David Greaves and Andy Banks from the Eden Rivers Trust gathering data from White clawed crayfish (Austropotamobius pallipes) as part of a capture...

Juergen Freund / Research workers gathering data on Turtles, Tetepare Island, Western Province, Solomon Islands, Melanesia, July 2010. Turtles caught at sea are brought back to the beach, measured, tagged and released...

Yva Momatiuk & John Eastcott / Sockeye Salmon (Oncorhynchus nerka) male being released by fisheries worker into Adams River after gathering scientific data, Roderick Haig-Brown Provincial Park, British Columbia, Canada