page_title: List of mammals of South America
section_title: Subclass: Theria
hierarchical_section_title: List of mammals of South America / Subclass: Theria
caption_attribution_description: A Cuíca-lanosa (Caluromys philander) é noturna, solitária, arborícola e utiliza os estratos arbustivos ou arbóreos da floresta. Vive na Mata Atlântica, Cerrado e Amazônia. --- English --- The Bare-tailed Woolly Opossum (Caluromys philander) is nocturnal, solitary, arboreal and uses shrubs or tree layers of the forest. Lives in the Atlantic Rainforest, Cerrado and Amazon.
context_page_description: This is a list of the native wild mammal species recorded in South America. South America's terrestrial mammals fall into three distinct groups: "old-timers", African immigrants and recent North American immigrants. The marsupials and xenarthrans are "old-timers", their ancestors having been present on the continent since at least the very early Cenozoic Era. During the early Cenozoic, South America's only land connection was to Antarctica, so it was effectively cut off from most of the world; as the fragments of Gondwana continued to separate, this connection was lost, leaving South America an island continent. Caviomorph rodents and monkeys arrived as "waif dispersers" by rafting across the Atlantic from Africa in the Eocene epoch, 35 million or more years ago. All the remaining nonflying mammals of South America are recent arrivals, having migrated from North America via Central America during the past seven million years as part of the Great American Interchange; this invasion, which peaked around three million years ago, was made possible when the formation of the volcanic Isthmus of Panama bridged North and South America.
caption: Bare-tailed woolly opossum
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