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Keywords from Image Description:
Phacochoerus. Phacochrus thiopicus from Natal Phacochoerus africanus sundevallii Lnnberg Cretzschmar Heads of Southern Warthog above and Eritrean Warthog below Proceedings of the Zoological Society of London archive org vol archive org page page published author pdold PZSL Phacochoerus africanus Artiodactyla heads