La Brea Bird Bones glass Matrix size approx

Matrix size approx

These 6 specimens are unpolished

Spiderling specimen in authentic Burmese Amber is from the private collection of Dr

displaying subtle pleural furrows

La Brea Bird Bones glass Matrix size approxUnidentified bird species Late Pleistocene epoch Approx. 20,000 30,000 years old Rancho La Brea Formation Maricopa, California Specimen approx. size: 3" x 2. 5" x 1. 75" Due to their fragile nature, bird bones are relatively less common in the fossil record than those of other taxa. However, thanks to the preservative properties of asphalt, Rancho La Brea has one of the worlds largest collections of fossil birds, with about 140 species represented.