[:en]Yellow Legged Gulls colonization of Barcelona city (Larus cachinnans) The number of urban nesting Yellow Legged Gulls (Larus cachinnans michahellls) in Barcelona, in 1985 was of 25 pairs concentrated in three areas: Zoological Park and Ciutadella Park, Cathedral and Ciutat Vella, Serninari Conciliar building and its neighbourhood. The first pair nesting in the city was reported in 1975 and the first nesting in a building in 1980. Breeding success in 1985 was of 1.68 chicks/pair succesfully fledged.
Yellow Legged, Larus cachinnans, Barcelona, Urban breeding
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