La Brea Bird Bones Blue They would become stuck

They would become stuck

Interestingly

underlain by a dense underfur and a layer of subcutaneous fat

rearward oriented fins on back and underside

It is estimated to have reached about 4

La Brea Bird Bones Blue They would become stuckSandhill 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,