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La Brea Tar Pits is an active paleontological research site in urban Los Angeles. Hancock Park was formed around a group of tar pits where natural asphalt (also called asphaltum, bitumen, or pitch; brea in Spanish) has seeped up from the ground for tens of thousands of years. Over many centuries, the bones of trapped animals have been preserved.
Sandhill crane fossils found in the tar pits indicate that individuals of this species grew to much larger sizes during the Pleistocene. The species Grus minor, described from the La Brea tar pits, was later found to be a synonym of the sandhill crane. Whooping crane [117] Grus americana: A minimum of 45 specimens representing at least 8 ...
Orcutt discovered fossils embedded in the asphalt deposits on the Hancock Ranch shortly after he moved to Los Angeles in 1901. [2] Fossils found in the La Brea Tar Pits had been mentioned in the scientific literature as early as 1875, but it was not until Orcutt collected saber-toothed cat, dire wolf, ground sloth and other fossils from the site that the scientific community recognized the ...
The La Brea Tar Pits are positioned to help solve the mystery of why precisely the giant mammals died out, due to the size and scope of its findings, which can be radiocarbon-dated and matched ...
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In the La Brea Tar Pits, more than one million bones have been recovered since 1906. 231 vertebrate species, 234 invertebrate species, and 159 plant species have been identified. [9] The most frequent large mammal found in the La Brea Tar Pits is the dire wolf, one of the most famous prehistoric carnivores that lived during the Pleistocene. [16]
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