Table 1 Results from logistic regression of local bird extinctions from BCI as a function of local historical abundance, diet category, foraging height, and southernmost Panama Canal range limit.
Parameter | β | S.E | z-value | p-value |
|---|---|---|---|---|
Intercept | 5.55 | 1.11 | 5.02 | < 0.001 |
Southern Limit | − 0.06 | 0.02 | − 3.51 | 0.001 |
Local Abundance—Occasional | − 2.82 | 1.08 | − 2.61 | 0.0091 |
Local Abundance—Rare | − 3.86 | 1.05 | − 3.66 | < 0.001 |
Diet—Insectivore | − 1.48 | 0.46 | − 3.24 | 0.001 |
Diet—Nectarivore | − 0.44 | 0.85 | − 0.52 | 0.61 |
Diet—Frugivore | 0.83 | 1.21 | 0.69 | 0.49 |
Diet—Raptor | − 0.06 | 0.60 | − 0.10 | 0.92 |
Foraging Height—Understory | − 0.04 | 0.88 | − 0.04 | 0.97 |
Foraging Height—Terrestrial | − 1.09 | 0.54 | − 2.03 | 0.042 |
