JayFeatherPL
Well-known member
North-eastern Poland, Biebrza National Park, 4th May, 11 am, it was at the big marsh, the weather was warm and sunny. There is sedge warbler singing, but another bird can be heared at 0:01, 0:04 and from 0:05 to 0:12. This short trill, is it sedge w
arbler too, or is it another bird?
arbler too, or is it another bird?