Scarce warblers in Hatfield
PUBLISHED: 10:45 22 April 2016 | UPDATED: 10:45 22 April 2016
At least three grasshopper warblers, scarce and elusive migrant birds, have been seen on the outskirts of Hatfield in recent days.
The warblers have been seen and heard in Ellenbrook Fields, the former de Havilland/British Aerospace airfield, on several days.
Grasshopper warblers are usually hard to glimpse as they prefer long thick grass, but their insect-like reeling song is very distinctive.
Although they could stay to nest, they were probably just stopping off on migration.
Other migrant birds seen in and around Welwyn Hatfield this month include yellow wagtails, cuckoos, ittle ringed plovers, and at least three ospreys.
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