In the morning of 10 June 2020 Tim Schipper, a young birder from Texel NH, was birding in the Krimbos, near the Cocksdorp on the island Texel, one of the best - if not the best - birding spots in the Netherlands. At 6:50 he heard conspicuous song and after finding the source of this song, he knew he had found a Greenish Warbler Phylloscopus trochiloides or even better a Green Warbler P. nitidus. He warned other birders and the hastily recorded song was shared with Roy Slaterus who was sure it was a Green Warbler! The message was spread and the bird was seen contineously till 11:00, when it disappeared for an hour, but found again at 11:57 and seen till 13:15 and most probably heard again at 15:20 and 15:40 hours. About 150 birders made it from the mainland (I saw it well between 12:00 and 12:15). Next day it was gone however.
10 June 2020, Krimbos, De Cocksdorp, Texel NH; © Jan van der Laan; note the upper wing bar and the dark smudge on the lower mandible.
10 June 2020, Krimbos, De Cocksdorp, Texel NH; © Jan van der Laan; note the lemon-yellow throat.
10 June 2020, Krimbos, De Cocksdorp, Texel NH; © Jan van der Laan; Note the bright yellow underwing coverts and orange feet.
10 June 2020, Krimbos, De Cocksdorp, Texel NH; © Jan van der Laan; the brownish legs are visible.
10 June 2020, Krimbos, De Cocksdorp, Texel NH; © Jan van der Laan; though out of focus, the wingbar is well visible
10 June 2020, Krimbos, De Cocksdorp, Texel NH; © Jan van der Laan; both wingbars are visible.
10 June 2020, Krimbos, De Cocksdorp, Texel NH; © Jan van der Laan; the lower wing bar is completely visible.
10 June 2020, Krimbos, De Cocksdorp, Texel NH; © Jan van der Laan; shape of the bill is visible.