island. Among others, the common tern, Arctic tern, common eider, common shelduck, Eurasian oystercatcher, common redshank, and occasionally the short-eared owl also breed on the island. During the building of the sand dike, the island was colonized by the wood mouse. Griend is currently managed by the Vereniging Natuurmonumenten. References External links West Frisian Islands Islands of Friesland Uninhabited islands of the Netherlands Nature reserves in the Netherlands Ramsar sites in the Netherlands