ABSTRACT Genetic analyses of the relationships among different forms of Lesser Black-backed Gull Larus fuscus, Herring Gull L. argentatus and Yellow-legged Gull L. cachinnans are beset with difficulties, associated with apparently low levels of genetic divergence, inbreeding, and the highly unstable nature of gull populations.This short review summarises and discusses a new attempt to tackle this

...

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now