Marsh warbler (Acrocephalus palustris)  French: Rousserolle
verderolle GenusAcrocephalus (1) SizeLength: 13 cm (2)  The
marsh warbler is classified as Least Concern (LC) on the IUCN
Red List (1). Listed on the Red List of Birds of Conservation
Concern. Protected under Schedule 1 of the Wildlife and
Countryside Act 1981, the EC Birds Directive and Appendix II of
the Berne Convention (3).  A rare summer migrant, the marsh
warbler (Acrocephalus palustris) is olive green-brown in colour
with a white throat, a pale stripe in front of the eye and pale
legs (2). The song is extremely varied and musical; the marsh
warbler is an excellent mimic and on average incorporates the
songs of 31 European and 45 African species into its repertoire
(2).  Patchily distributed in Europe, the breeding range of the
marsh warbler extends mainly from eastern France to Russia,
north to Sweden and south to Greece and Turkey. They migrate to
south east Africa in winter (2). The marsh warbler was
recognised as a British species in 1871,