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Red Deer Cave people
The Red Deer Cave people were a prehistoric population of modern humans known from bones dated to between about 17,830 to c. 11,500 years ago, found in Red Deer Cave (Maludong, Chinese: 马鹿洞) and Longlin Cave in Yunnan and Guangxi Provinces, in Southwest China.
The fossils exhibit a mix of archaic and modern features and were tentatively thought to represent a late survival of an archaic human species, hybridization between Denisovan hominin and modern humans, or alternatively just "an unfortunate overinterpretation and misinterpretation of robust early modern humans, probably with affinities to modern Melanesians". A partial genome sequence by Zhang et al. in 2022 suggested that, despite their morphologically unusual features, they were modern humans related to contemporary populations in East and Southeast Asia, as well as the Americas. This DNA sequence was later brought into question, with the sequence possibly being contaminated by modern human DNA, followed up by a response in 2025 refuting this.
Evidence shows large deer were cooked in the Red Deer Cave, giving the people their name.
In 1979, petroleum geologist Li Changqing discovered a block of fine-grained sediments containing human remains, animal fossils, charcoal, and burnt clay from a cave near the town of De'e, Longlin County, Guangxi Province, China. These are categorised as belonging to a single specimen, LL-1. He promptly shipped them to Kunming in the neighbouring Yunnan Province for further study, whereupon a mandible (lower jawbone) and some body bones were extracted. In 1989, the Red Deer Cave near Mengzi City, Yunnan Province, was also excavated for human remains. The significance of these finds would not be realised until Darren Curnoe, Ji Xueping, and colleagues began dating and describing existing collections of East Asian human fossils to better evaluate the poorly documented Asian archaeological record in 2008. They found the Red Deer Cave and Longlin people feature a suite of modern and archaic traits, yet lived surprisingly recently. Charcoal remnants inside the braincase were dated using uranium–thorium dating to only 17,830–13,290 years ago for various Red Deer Cave human specimens, and 11,510 years ago for LL-1. They restarted excavation of Longlin Cave in 2008, and yielded a few more human fossils, but most of the known material from the cave was recovered in the initial dig. In 2010, they were able to remove the rest of the skull and body fossils from the Red Deer Cave block.
The dating of the bones has led to confusion and division among researchers. The anatomy of the bones, prior to successful DNA testing, suggested they were archaic humans, like early Homo erectus or Homo habilis who lived around 1.5 million years ago in Africa. In 2013, Curnoe, Ji, and colleagues hypothesised that the cave people possibly represented a new species.
In 2015, Curnoe, Ji, and colleagues suggested the Red Deer Cave people represent a hybrid population between early modern humans and one or several unidentifiable native archaic species, since they bear a peculiar combination of archaic and modern features not exhibited in any other specimen. Modern humans may have entered China as early 130,000 years ago, as evidenced by the Zhirendong remains; though, owing to an unusual mosaic anatomy, the classification of such early specimens is debated. Later that year, they concluded the femur is far outside the range of variation for a modern human (that the Red Deer Cave people must be archaic). They suggested they either represent the enigmatic Denisovans—a poorly known group of late-surviving Homo which was apparently dispersed across Asia, currently only identifiable by their genetic signature—or a long-removed lineage from an incredibly early dispersal of Homo out of Africa which had not evolved a characteristically human body plan, such as that represented by the Dmanisi hominins. The latter scenario has also been proposed for H. floresiensis, which survived rather recently as well, probably due to being isolated on the island of Flores. They speculated the Red Deer Cave people persisted for a similar reason, isolated in the mountains.
In spite of their relatively recent age, the fossils exhibit archaic human features. The Red Deer Cave dwellers had distinctive features that differ from modern humans, including: flat face, broad nose, jutting jaw with no chin, large molars, prominent brows, thick skull bones, and moderate-size brain. As with some other pre-modern humans, their body size was small, with an estimated mass of 50 kg (110 lb). Their features were also considered to be unusual within the "context of variation seen within Late Pleistocene hominin crania".
Curnoe's previous works showed the bones and teeth were remarkably similar to that of archaic humans. The height of the mandibular symphysis at 27.7 mm (1.09 in) is within the range of modern humans, and the thickness at 12.5 mm (0.49 in) the range of Neanderthals and Middle Palaeolithic modern humans. The mental foramina (a hole in the mandible) is placed rather low at 26.9 mm (1.06 in) from the base, whereas modern humans and Neanderthals are normally above 30 mm (1.2 in). The height of the first two molars and the thickness at that level is nearly identical to Upper Palaeolithic Asians, but the molars themselves are proportionally quite broad like those of Neanderthals or Middle Palaeolithic humans.
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Red Deer Cave people
The Red Deer Cave people were a prehistoric population of modern humans known from bones dated to between about 17,830 to c. 11,500 years ago, found in Red Deer Cave (Maludong, Chinese: 马鹿洞) and Longlin Cave in Yunnan and Guangxi Provinces, in Southwest China.
The fossils exhibit a mix of archaic and modern features and were tentatively thought to represent a late survival of an archaic human species, hybridization between Denisovan hominin and modern humans, or alternatively just "an unfortunate overinterpretation and misinterpretation of robust early modern humans, probably with affinities to modern Melanesians". A partial genome sequence by Zhang et al. in 2022 suggested that, despite their morphologically unusual features, they were modern humans related to contemporary populations in East and Southeast Asia, as well as the Americas. This DNA sequence was later brought into question, with the sequence possibly being contaminated by modern human DNA, followed up by a response in 2025 refuting this.
Evidence shows large deer were cooked in the Red Deer Cave, giving the people their name.
In 1979, petroleum geologist Li Changqing discovered a block of fine-grained sediments containing human remains, animal fossils, charcoal, and burnt clay from a cave near the town of De'e, Longlin County, Guangxi Province, China. These are categorised as belonging to a single specimen, LL-1. He promptly shipped them to Kunming in the neighbouring Yunnan Province for further study, whereupon a mandible (lower jawbone) and some body bones were extracted. In 1989, the Red Deer Cave near Mengzi City, Yunnan Province, was also excavated for human remains. The significance of these finds would not be realised until Darren Curnoe, Ji Xueping, and colleagues began dating and describing existing collections of East Asian human fossils to better evaluate the poorly documented Asian archaeological record in 2008. They found the Red Deer Cave and Longlin people feature a suite of modern and archaic traits, yet lived surprisingly recently. Charcoal remnants inside the braincase were dated using uranium–thorium dating to only 17,830–13,290 years ago for various Red Deer Cave human specimens, and 11,510 years ago for LL-1. They restarted excavation of Longlin Cave in 2008, and yielded a few more human fossils, but most of the known material from the cave was recovered in the initial dig. In 2010, they were able to remove the rest of the skull and body fossils from the Red Deer Cave block.
The dating of the bones has led to confusion and division among researchers. The anatomy of the bones, prior to successful DNA testing, suggested they were archaic humans, like early Homo erectus or Homo habilis who lived around 1.5 million years ago in Africa. In 2013, Curnoe, Ji, and colleagues hypothesised that the cave people possibly represented a new species.
In 2015, Curnoe, Ji, and colleagues suggested the Red Deer Cave people represent a hybrid population between early modern humans and one or several unidentifiable native archaic species, since they bear a peculiar combination of archaic and modern features not exhibited in any other specimen. Modern humans may have entered China as early 130,000 years ago, as evidenced by the Zhirendong remains; though, owing to an unusual mosaic anatomy, the classification of such early specimens is debated. Later that year, they concluded the femur is far outside the range of variation for a modern human (that the Red Deer Cave people must be archaic). They suggested they either represent the enigmatic Denisovans—a poorly known group of late-surviving Homo which was apparently dispersed across Asia, currently only identifiable by their genetic signature—or a long-removed lineage from an incredibly early dispersal of Homo out of Africa which had not evolved a characteristically human body plan, such as that represented by the Dmanisi hominins. The latter scenario has also been proposed for H. floresiensis, which survived rather recently as well, probably due to being isolated on the island of Flores. They speculated the Red Deer Cave people persisted for a similar reason, isolated in the mountains.
In spite of their relatively recent age, the fossils exhibit archaic human features. The Red Deer Cave dwellers had distinctive features that differ from modern humans, including: flat face, broad nose, jutting jaw with no chin, large molars, prominent brows, thick skull bones, and moderate-size brain. As with some other pre-modern humans, their body size was small, with an estimated mass of 50 kg (110 lb). Their features were also considered to be unusual within the "context of variation seen within Late Pleistocene hominin crania".
Curnoe's previous works showed the bones and teeth were remarkably similar to that of archaic humans. The height of the mandibular symphysis at 27.7 mm (1.09 in) is within the range of modern humans, and the thickness at 12.5 mm (0.49 in) the range of Neanderthals and Middle Palaeolithic modern humans. The mental foramina (a hole in the mandible) is placed rather low at 26.9 mm (1.06 in) from the base, whereas modern humans and Neanderthals are normally above 30 mm (1.2 in). The height of the first two molars and the thickness at that level is nearly identical to Upper Palaeolithic Asians, but the molars themselves are proportionally quite broad like those of Neanderthals or Middle Palaeolithic humans.
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