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Indonesia harbors some of the oldest known surviving cave art. Previously, the earliest dated rock art from this region was a figurative painting of a Sulawesi warty pig (Sus celebensis). This image from Leang Bulu’ Sipong 4 in the limestone karsts of Maros-Pangkep, South Sulawesi, was created at least 43,900 years ago (43.9 ka) based on Uranium-series dating. Here, we report the Uranium-series dating of two figurative cave paintings of Sulawesi warty pigs recently discovered in the same karst area. The oldest, with a minimum age of 45.5 ka, is from Leang Tedongnge. The second image, from Leang Balangajia 1, dates to at least 32 ka. To our knowledge, the animal painting from Leang Tedongnge is the earliest known representational work of art in the world. There is no reason to suppose, however, that this early rock art is a unique example in Island Southeast Asia or the wider region.

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The Indonesian island of Sulawesi harbours numerous early rock paintings of the endemic Sulawesi warty pig (Sus celebensis). Several S. celebensis images, including one dated to at least 45,500 years ago (ka), portray these suids with an anatomical character not observed in the living species: a pair of teat‐like protuberances in the neck area. This feature seems to be most consistent morphologically with neck “wattles”, cutaneous appendages only manifested in modern domestic swine (Sus scrofa) and some other domesticated ungulates (e.g. goats). The notion that the trait portrayed by the Late Pleistocene artists is a domestication character is clearly contentious. We therefore consider: (1) whether we have misidentified the trait – a common problem in rock art analysis; (2) whether wattles are a genuine domestication trait; and (3) if so, whether the notion that Pleistocene people domesticated S. celebensis is plausible. A clear resolution to all of these problems evades us; however, our investigation of this anomaly in the ancient rock art poses important questions about the nature and complexity of early human–pig relations in this island.