Mystery bird: coal tit, Periparus ater | @GrrlScientist

How fast is this British mystery bird moving in this image? Coal tit, Periparus ater (protonym, Parus ater), Linnaeus, 1758, also known as the coal titmouse, photographed in Brereton Heath Local Nature Reserve, Cheshire East, UK. Image: Roy Hill, 23 … Continue reading →

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