Figure 3. Historical (black line) and current (blue line) estimated elevation distributions of 11 frog species in Puerto Rico.

The observed data are show in open circles (historical) and blue circles (current). The historical and current elevation profiles were estimated by model-averaging all models with ΔAIC < 2.0. The grey and blue shaded area represent the 95% confidence intervals. Data for the two extinct species (E. eneidae and E. karlschmidti) and E. coqui, which occur at all elevations in the historical and current data, are not included.