La Brea Bird Bones Blue They are an ancient fossil

They are an ancient fossil group that first appeared in the seas of the mid Cambrian

Otodus is an extinct genus of mackerel shark which lived from the Paleocene to the Miocene epoch

underlain by a dense underfur and a layer of subcutaneous fat

5 feet wide

La Brea Bird Bones Blue They are an ancient fossilSandhill Crane Ulna and Neck Vertebra & Redhead Duck Humerus Late Pleistocene epoch Approx. 20,000 30,000 years old Rancho La Brea Formation Maricopa, California Specimen approx. size: 5. 25" x 2. 5" x 2. 25" 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,