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