Table 1. Growth model parameter estimates.
Parameter estimates (with 95% CI) for the sex effect on growth from the best model (i.e., lowest AICc) for each morphological measurement of Adélie Penguin chicks during 2012–13 and 2013–14 on Ross Island, Antarctica. Plus signs denote additive effects and asterisks denote interactions. Sex was not supported as an important factor associated with foot growth.
| Morphological measurement | Best-supported modela | Estimate for sex effect | Lower 95% CI | Upper 95% CI |
|---|---|---|---|---|
| Mass (g d-1) | sex + brood size + hatch order*year | 15.60 | 5.66 | 25.52 |
| Flipper (mm d-1) | sex + year | 0.30 | -0.12 | 0.73 |
| Bill (mm d-1) | sex + brood size + hatch order*year | 0.05 | 0.02 | 0.09 |
| Tibiotarsus (mm d-1) | sex + year | 0.26 | -0.08 | 0.60 |
| Foot (mm d-1) | year | - | - | - |
a all models included nest ID as a random effect