La Brea Tar Pits dates from the Pleistocene era. La Brea tar pits, containing one of the richest, best preserved, and best studied assemblages of Pleistocenevertebrates, including at least 59 species of mammal and over 135 species of bird. The tar pit fossils bear eloquent witness to life in southern California from 40,000 to 8,000 years ago; aside fromContinue reading “La Brea Tar Pits Notes”