Demographic characteristics of molting black brant near Teshekpuk Lake, Alaska

Molting Brant in the Teshekpuk Lake Special Area (TLSA) on the Arctic
Coastal Plain of Alaska were studied from 1987 to 1992 using
capture-mark-recapture techniques to determine origin, age and sex
composition, return rates and site fidelity. Brant originated from 10
nesting colonies in Canada and Alaska. The captured birds were 76%
adults and 57% males. Ninety-one percent of known-age recaptures were