This is a black tern video.
According to Natuurmonumenten in the Netherlands, this week the first black tern chicks have hatched in the Wieden nature reserve.
There are over 200 nests in the Wieden, the most important black tern area in the Netherlands. Many of the birds nest on rafts, provided by the national park management. Historically, black terns nest on water soldier plants. However, this plant species has suffered much from water pollution.
Concerns about the conservation of white-fronted terns: here.
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