These high quality bone pendants are made from domesticated water buffalo bone
You will not receive the exact pieces shown in the photos but ones similar. There is some variation from piece to piece as these are all hand carved.
The smoked diving eagle head pendants are approximately 1.5" long and 0.625" wide. In metric, this is approximately 3.75 cm long by 1.5 cm wide. The smoked diving eagle head pendants are more finely carved and are smoked for an antique look.
Domesticated water buffalo are not endangered.