sentences:  Some field identifications from West Bengal and central India were subsequently reported based on behaviour but captured specimens did not appear to match the species.A breeding site of the large-billed reed warbler "Acrocephalus orinus", was discovered in the Wakhan Corridor of the Pamir of north-eastern Afghanistan by Researcher Robert Timmins of the Wildlife Conservation Society who was studying avian communities in the Pamir Mountains.He came across a small brown warbler and recorded its song.