sous-adulte

Désignations

Codes : pays ou zone où la désignation a cours (CH, FR, DE, EU = Union européenne, INT = usage international). Une désignation barrée est déconseillée.

Définitions

anglais

... group of non-nesting birds ... comprised of all 1-year-olds and perhaps half the 2-year-olds. Webster: an individual approaching the adult age or the termination of the growing period: one that has passed through the juvenile period but has not yet attained typical adult characteristics.