About the Authors

Julian P. Hume

Contributed equally to this work with: Julian P. Hume, David Martill, Richard Hing

Roles Writing – original draft

j.hume@nhm.ac.uk

Affiliation Bird Group, Department of Life Sciences, Natural History Museum, Akeman St, Tring, Herts, United Kingdom

David Martill

Contributed equally to this work with: Julian P. Hume, David Martill, Richard Hing

Roles Writing – review & editing

Affiliation School of Earth and Environmental Sciences, University of Portsmouth, Portsmouth, Hampshire, United Kingdom

Richard Hing

Contributed equally to this work with: Julian P. Hume, David Martill, Richard Hing

Roles Methodology

Affiliation School of Earth and Environmental Sciences, University of Portsmouth, Portsmouth, Hampshire, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.