translate English to French: Moult intensity and chronology in staging Eastern-Population (EP) Tundra Swans (Cygnus columbianus columbianus) were studied during spring in 1999 and 2000 (n = 35) and during fall in 1999, 2000, and 2001 (n = 47) at Long Point, Lake Erie, Ontario.
Nous avons étudié l'intensité de la mue et la chronologie des regroupements de la population orientale (EP) du cygne siffleur (Cygnus columbianus columbianus) aux printemps 1999 et 2000 (n = 35) et aux automnes 1999, 2000 et 2001 (n = 47) à Long Point, lac Érié, Ontario.