New insights from old eggs – the shape and thickness of Great Auk Pinguinus impennis eggs

• Published in: Ibis
• Main Authors: Birkhead, T, Russell, D, Garbout, A, Attard, M, Thompson, J, Jackson, D
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 2020
• Subjects: Alcidae; egg shape; eggshell thickness; pyriform; Burrows; Alca torda; brünnich's guillemot; common guillemot; Great auk; Pinguinus impennis; Razorbill; Uria aalge; Uria lomvia; uria
• Online Access: http://hdl.handle.net/10141/622680; https://doi.org/10.1111/ibi.12820

We compared the shape and eggshell thickness of Great Auk Pinguinus impennis eggs with those of its closest relatives, the Razorbill Alca torda, Common Guillemot Uria aalge and Brünnich's Guillemot Uria lomvia, in order to gain additional insights into the breeding biology of the extinct Great...