Black-headed Gull (Chroicocephalus ridibundus)

Black-headed Gulls / Mouettes rieuses (Chroicocephalus ridibundus): occupied nests, Dayet Dar Bouazza, Morocco, 26 May 2018 (Benoit Maire).

Breeding of Black-headed Gull at Dayet Dar Bouazza, Morocco

The Black-headed Gull (Chroicocephalus ridibundus) slowly colonising new sites in Morocco. However, not all these ‘colonies’ are comparable: while some are large enough and stable, others consist only of a few breeding pairs. (But the latter will probably grow if the right conditions are present; for instance, enough immigrants are recruited to the colony during …

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