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A comparison of the biology of the normal and bridled forms of the Guillemot Uria aalge at a single colony
Author(s) -
Harris M. P.,
Wanless S.
Publication year - 1986
Publication title -
journal of zoology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.915
H-Index - 96
eISSN - 1469-7998
pISSN - 0952-8369
DOI - 10.1111/j.1469-7998.1986.tb03624.x
Subject(s) - uria aalge , biology , zoology , ecology , predation , seabird
The proportion of Guillemots on the Isle of May showing bridling has remained constant for 49 years. Although clumping of birds occurred, there was no obvious assortment of sexes. We detected no systematic differences in the breeding of bridled and normal individuals.