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Herlandsnesjane
Herlandsnesjane, a four-kilometre long peninsula in Lake Storavatnet in the middle of Osterøy, is well known among botanists. Here lies an unusually large and diverse bog.
Aksnesholmane
There are especially many seabirds inwards along the fjords of western Norway. There are not many islets, either, so if the birds want to nest, it is not always easy to find good sites. At Aksnesholmane there is an impressive colony of gulls, and the locality has been protected since 1923.
Ulvenvatnet
Lake Ulvenvatnet is thought to be the most species rich wetlands in the municipality. Despite this, the area is not protected, nor is it likely ever to be.