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For example, megaherbivores thrived in Pleistocene Siberia, which had and has a more continental climate than Pleistocene or modern (post-Pleistocene, interglacial) North America. [ 196 ] [ 197 ] [ 198 ] The animals that became extinct actually should have prospered during the shift from mixed woodland-parkland to prairie, because their primary ...
Pleistocene rewilding is the advocacy of the reintroduction of extant Pleistocene megafauna, or the close ecological equivalents of extinct megafauna. [1] It is an extension of the conservation practice of rewilding , which aims to restore functioning, self-sustaining ecosystems through practices that may include species reintroductions.
Megafauna also play a role in regulating and stabilizing the abundance of smaller animals. During the Pleistocene, megafauna were diverse across the globe, with most continental ecosystems exhibiting similar or greater species richness in megafauna as compared to ecosystems in Africa today.
Magoulick et al. (2025) determine that environmental conditions in Central America during the Plio-Pleistocene enabled dispersal of Glyptotherium from South America to North America, and possibly also its migration back to South America during the Rancholabrean.
Arctodus simus went extinct around 12,800 years ago, and is one of the most recently dated megafauna to go extinct in North America, being reliably dated to within the Pleistocene-Holocene boundary (13,800 BP - 11,400 BP). [241] [133] [242] Both local and regionalized dietary flexibility has been a factor suggested for the species' longevity. [87]
Download as PDF; Printable version; ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; ... Pleistocene animals of North America.
Download as PDF; Printable version; ... Pleistocene animals of North America (5 C, 20 P) ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...
North America A transitional form between steppe bison and modern American bison whose more recent remains date to the early Holocene of Valsequillo basin in Puebla, Mexico. However the direct dating to 5271-5131 BCE is not calibrated and the remains could be older. [50] Other remains in North America have been dated to 8640-8500 BCE. [4 ...