Mae'r cynnwys hwn ar gael yn Saesneg yn unig.
1992 Project established
The Otter Project is established with the aim of using otter tissues to monitor aquatic contamination. Initially otters from the south were sent to the Wildlife VIC in Cornwall, and otters from the remainder of England and Wales were sent to Cardiff.
2007 England and Wales
Since 2007 we have taken otters from the whole of England and Wales.
2013 2,000th otter
We reached a milestone of examining a total of 2,000 otters since the start of the project.
We started examination of otters from Scotland.
2016 3,000th otter
In October 2016 we examined the 3,000th otter, an adult female from Cumbria.