Afghanistan (B), Armenia (B), Bangladesh, Bulgaria (B), China (mainland), India, Iran [Islamic Republic of] (B) (P), Kazakhstan (B), Kyrgyzstan (B), Laos, Mongolia (B), Myanmar, Nepal, Pakistan, Romania (B), Russia (Asian) (B), Russia (Central Asian) (B), Russia (European) (B), Tajikistan, Thailand, Turkey (B), Turkmenistan (B), Ukraine (B), Uzbekistan (B).
Vagrant to Austria, Bahrain (P), Belgium, Denmark, Estonia, Faroe Islands, Finland, France, Germany, Greece, Hong Kong (China), Hungary, Ireland, Israel, Italy, Latvia (B), Macedonia [The Former Yugoslav Republic of], Malta, Netherlands, Norway, Oman (NB) (P), Poland, Portugal, Slovenia, Sweden, United Arab Emirates (NB), United Kingdom.
Population
Estimated population is unknown (2011).
Paddyfield Warbler (Acrocephalus agricola) [XC317307]
by Albert Lastukhin from Abzelilovskiy rayon, Respublika Bashkortostan, Russian Federation (song)
Paddyfield Warbler (Acrocephalus agricola) [XC317311]
by Albert Lastukhin from Abzelilovskiy rayon, Respublika Bashkortostan, Russian Federation (song)
Subspecies
Acrocephalus agricola (Sibley and Monroe 1990, 1993) has been split into Paddyfield Warbler (Acrocephalus agricola) and White-browed Reed-Warbler (Acrocephalus tangorum) contra Alstrom et al. (1991) but following Helbig and Seibold (1999).
Forms a superspecies with White-browed Reed-Warbler (Acrocephalus tangorum) and Blunt-winged Warbler (Acrocephalus concinens), and has been considered conspecific with one or both. Differs from each, however, in combination of plumage characters and biometrics; furthermore. Geographical variation poorly understood, as color differences heavily influenced by effects of plumage wear. Subspecies capistratus sometimes merged with nominate.
The following 3 subspecies are recognised:
septimus Gavrilenko, 1954 - Breeds eastern Europe (Romania, Bulgaria) east to southern Ukraine and western Kazakhstan (lower R Ural and lower R Ilek). Non-breeding south-eastern Iran and western Indian Subcontinent.
capistratus (Severtsov, 1873) - Breeds south-western Siberia and Kazakhstan (except west) east to upper R Yenisey and western Mongolia, south to north-eastern Iran, Tajikistan and north-western China (Xinjiang), possibly also Afghanistan. Non-breeding Indian Subcontinent.
agricola (Jerdon, 1845) - Breeds central Asia (details uncertain). Non-breeding eastern Iran and Indian Subcontinent.