Onset and pattern of primary moult in the Lesser Black-backed Gull Larus f. fuscus – a comparison with the Herring Gull L. argentatus

Hario, M. (1984). Onset and pattern of primary moult in the Lesser Black-backed Gull Larus f. fuscus – a comparison with the Herring Gull L. argentatus. Ornis Fennica, 61(1), 19–23. https://ornisfennica.journal.fi/article/view/133143