Freezing frogs

Just a few moments ago I received an email from Pond Conservation, one of the groups that OPAL is working with to develop our Water Survey (which launches in May). The email was a report of their recent study into the reasons why a lot of frogs and fish may have died this winter due to ponds freezing over. This was the hardest winter for 30 years with some ponds staying frozen for several weeks at a time.


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