Blyth's Reed Warbler

Blyth's reed warbler is a reed warbler that breeds across the Palearctic and winters in South Asia, and has been expanding its range westwards in Europe. It is slim with relatively short wings and a long bill, 12 to 14 cm long and 8 to 16 g. The plumage is plain, olive-brown above, off-white below, with a short whitish eyebrow and a dusky stripe through the eye (Wikipedia, general species account).

It is named for the zoologist Edward Blyth, who described it in 1849.