Table 2 Details of reproductive categories assigned to each female during the period preceding each moult.

From: Reproductive success delays moult phenology in a polar mammal

Reproductive Category

Gave birth?

Attended colony?

Details

Early-Parturient

Y

Y

Gave birth before the 25th percentile of the pupping distribution.

Mid-Parturient

Y

Y

Gave birth between (or on) the 25th and 75th percentile of the pupping distribution.

Late-Parturient

Y

Y

Gave birth after the 75th percentile of the pupping distribution.

Attendant Juvenile Female

N

Y

Seen during the breeding season without a pup and never recorded with a pup in any previous year (i.e., no pups produced yet in life).

Attendant Non-Parturient

N

Y

Seen during the breeding season without a pup but recorded with a pup in any previous year.

Non-Attendant Adult Female

N*

N

Not seen during the breeding season but recorded with a pup in previous years.

Non-Attendant Juvenile Female

N*

N

Not seen during the breeding season and never recorded with a pup in previous years.

  1. *Given that there are no known pupping colonies near our study site, we assume that Non-Attendant individuals skipped pupping and temporarily emigrated, as described by Chambert, et al.88.