La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Notes on the moult and plumages of Lesser Kestrel
Auteurs :	Andrea Corso, Auteur
Type de document :	Article
Dans :	British Birds (94(9) September, 2001)
Article en page(s) :	409-418
Résumé :	During a study of Lesser Kestrels Falco naumanni at Matera, in Basilicata, southern Italy, in May-June 2000, special attention was paid to the state of moult of individuals, and details of plumage were recorded. On average, second-calendar-year females showed five or six newly moulted primaries, and second-calendar males three; adult females usually exhibited three new primaries, while adult males typically showed none (rarely, one to three). A degree of plumage variability was observed, mostly in facial pattern (all ages) and tail pattern (second-calendar-year males), but also in the underwing-covert and underpart patterns. The dark moustache varied in thickness, length and contrast, and the cheek patch was also somewhat variable. The tail varied in number/shape of bars and in the colour of the central feathers and other rectrices. The underwing-coverts of males varied from uniformly pale and unmarked to diffusely dark-spotted, as did the underparts, while females exhibited some variation in the length and thickness of the dark streaking below. Claw colour was typically pale, rarely darkish.

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