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Megafauna. In zoology, megafauna (from Greek μέγας megas "large" and Neo-Latin fauna "animal life") are large animals. The precise definition of the term varies widely, though a common threshold is approximately 45 kilograms (99 lb), with other thresholds as low as 10 kilograms (22 lb) or as high as 1,000 kilograms (2,200 lb).
The Late Pleistocene to the beginning of the Holocene saw the extinction of the majority of the world's megafauna (typically defined as animal species having body masses over 44 kilograms (97 lb)), [1] which resulted in a collapse in faunal density and diversity across the globe. [2] The extinctions during the Late Pleistocene are ...
Binomial name. †Bison latifrons. Harlan, 1825 [1] Bison latifrons, also known as the giant bison or long-horned bison, is an extinct species of bison that lived in North America during the Late Pleistocene epoch ranging from southern Canada to Mexico. [2] It is noted for large body size and its distinctive long horns.
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.
The Virginia opossum, Didelphis virginiana, the only marsupial in temperate North America. Armadillos, opossums and porcupines are present in North America today because of the Great American Interchange. Opossums and porcupines were among the most successful northward migrants, reaching as far as Canada and Alaska, respectively.
Although colloquially referred to as a buffalo in the United States and Canada, [2] it is only distantly related to the true buffalo. The North American species is composed of two subspecies, the Plains bison , B. b. bison , and the wood bison , B. b. athabascae , which is the namesake of Wood Buffalo National Park in Canada.
The Folsom tradition is a Paleo-Indian archaeological culture that occupied much of central North America from c. 10800 BCE to c. 10200 BCE. The term was first used in 1927 by Jesse Dade Figgins, director of the Denver Museum of Nature and Science. [2] The discovery by archaeologists of projectile points in association with the bones of extinct ...
The movie version of megalodon is back in a new sequel, Meg 2: The Trench, indicating that this ancient megafauna’s charisma is still a major draw for audiences raised on “Shark Week.”But ...