Females in the
second pair were also more than 2 years old and similar in
age based on tooth wear, and both females showed signs
of nursing when they were captured the previous year.
Both females also denned communally with pups
throughout the entire birthing pup-rearing period and
were associated with an adult male. Because circumstances
were similar to the first case, we assumed that both
females of this pair also gave birth and were a polygynous
group