In Depth
Calciavis is a genus of bird that lived in North America during the Eocene. Calciavis likely foraged upon the ground, though the precise diet is still unknown at the time of writing.
Further Reading
- The anatomy and taxonomy of the exquisitely preserved Green River Formation (early Eocene) lithornithids (Aves) and the relationships of Lithornithidae. - Bulletin of the American Museum of Natural History, no. 406. - Sterling L. Nesbitt & Julia A. Clarke - 2016. – Estimating Flight Style of Early Eocene Stem Palaeognath Bird Calciavis grandei (Lithornithidae). – The Anatomical Record. – Christopher R. Torres, Mark A.Norell & Julia A. Clarke – 2019.