Age-specific breeding in Emperor Geese

I studied the frequency with which Emperor Geese (Chen canagica) of known a ge were observed breeding on the Yukon-Kuskokwim Delta, Alaska. No one- or two-yens old geese were observed on nests. Three-year old geese bled at a l ower rate than four-year old geese. These data suggest that patterns of age -specific breeding in Emperor Geese are similar to other sympatrically nest ing, large bodied geese [Greater White-fronted Geese (Anser albifrons)] but delayed relative to smaller bodied geese [Cackling Canada Geese (Branta ca nadensis minima) and Pacific Black Brant (B. bernicla nigricans)].