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The Eurasian collared dove is closely related to the Sunda collared dove of Southeast Asia and the African collared dove of Sub-Saharan Africa, forming a superspecies with these. Identification from the African collared dove is very difficult with silent birds, with the African species being marginally smaller and paler, but the calls are very distinct, a soft purring in the African collared dove quite unlike the Eurasian collared dove's cooing.