Table 1. Summary of intrinsic variables in the adult shags sampled.
| Variable | |||
|---|---|---|---|
| Individuals | Total=40 | Females=18 | Male=22 |
| Mass (g) | Min=1460 | Max=2130 | Mean=1791.7±178.5 (s.d.) |
| Age (years) | Min=3 | Max=17 | Mean=7.8±4.3 (s.d.) |
| Number of chicks fledgeda | Min=1 | Max=3 | Mean=2.25±0.67 |
| Phenologyb | 23 early | 17 late | |
| Nematode counts | Min=3 | Max=45 | Mean=24.8±11.7 (s.d.) |
a
Total number of chicks fledged per bird—a measure of breeding success.
b
Brood hatched at a date, before (early) or after (late) the median hatch date for the colony.