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About The Interational Otter Survival Fund

The International Otter Survival Fund (IOSF) is one of the world's leading otter charities.

In the UK IOSF is the only charity solely dedicated to the conservation, protection and care of otters based on over 20 years of scientific research in the UK and around the world.

Through education, research, influencing policy and partner working the IOSF is making progress but there is still much to be done here in the UK and other countries where otters are at risk.

The International Otter Survival Fund are Registered in Scotland (Charity No. SC003875)

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For over 25 years, IOSF has been protecting and helping otters worldwide.

We've come a long way since tending to our very first otter casualties all those years ago – but today, our friends need us more than ever before.

© Anthony Chuet

Of the 13 species of otters across the world, 12 are in decline and 5 are now considered endangered.

This is due to the many threats otters face: hunting for the illegal fur trade, habitat destruction, a reduction in available prey and many road deaths.


Otters are playful and fascinating, as well as an important indicator of a healthy ecosystem for all life.

That's why our work helps to raise public awareness, care for injured and orphaned otters at our facilities, and combat the illegal trade, amongst other things.


Otters across the world are in urgent need of your help and support.

Can you become a regular giver to help us continue our vital work in otter conservation and their protection?