Notes on the Eggs, Embryos and Chick Growth of Common Guilllemots Uria Aalge in Newfoundland

A caribou’s-eye-view
William Threlfall and Shane P. Mahoney

The eggs and growth of chicks of the Common Guillemot (Uria aalge), which is circumpolar in its distribution, have been briefly described by various workers. This paper reports on comparative data collected in Newfoundland.