P. m. dilutus, yakatsanangurwa naCharles Wallace Richmond muna 1856, inogara kuchamhembe kwakadziva kumabvazuva kweIran, kuchamhembe kwePakistan uye kuchamhembe kwakadziva kumadokero kweIndia. Inowanikwawo kuchamhembe, kubva kuUzbekistan neTajikistan kumabvazuva kuenda kuChina. Kuenzaniswa neP. m. montanus, yakajeka, iine sandy-brown upperparts. Mubvunzo: Ndezvipi zviratidzo zveP. m. dilutus zvine kuenzaniswa neP.m. montanus?
yakajeka, ine zvikamu zvepamusoro zvebhuruu-yejecha