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Otter Watch

Help us in our national survey of otters by registering your otter sightings.


Otter Watch is a practical project which will co-ordinate otter sightings both dead and alive.

The Eurasian otter is one of the sad casualties of the 20th century with populations declining by 95% in certain parts of England and Wales. Now there are signs that otters are returning and we need your help to see if this comeback is being successful.

The conservation of the otter is vitally important as the otter is at the top of both the acquatic and land food chains and it is highly sensitive to any form of disturbance, pollution and habitat destruction. Because they are so sensitive they act as a warning signal for the health of the environment and this is obviously important for the well-being of humans too.

Post Mortems

IOSF is working with Cardiff University Otter Project who are running a long term environmental surveillance scheme, using otters found dead to investigate contaminants, disease, and population biology across the UK.

If you have found a dead otter and the carcase is still fresh and in reasonably good condition a post mortem could be carried out on it.

Found a dead otter in England? Please telephone 03708 506506 (Environment Agency)

Found a dead otter in Wales? Please telephone 0800 807060 (Natural Resources Wales)

Found a dead otter in Scotland? Please telephone 01471 822487 (IOSF)

When calling the EA or NRW, please ask for your nearest conservation / biodiversity officer.

You will be asked for the location of the otter and some other basic information. Please be ready with key information including the exact location and date when the otter was found.

For more information on the Project please visit:

When filling in the form it is important to give an accurate grid reference, help on how to do this can be found at:

Date (please click on the date of your sighting):
<May 2015>
Nearest Town:
Location: (Name of river, lake, etc.):
Grid ref:
No. of otters:  Adults
(Especially evidence of otters fighting: )
Your name:
Your address:

Your email address:
I would like to receive emails from IOSF:
(IOSF will not share your details)
Thank you for taking time to participate!


Please remember otters are very vulnerable to disturbance so respect the habitat and do not leave litter and if you are fortunate enough to see an otter in the wild, just watch quietly and enjoy but do not try to get closer and closer until you frighten it away.

The otter will probably be trying to feed and if you disturb it then it will only have to waste valuable energy to hunt again elsewhere.

Adopt an otter at the Otter Shop!