The Six Faunal Regions. Nearctic (us) Palearctic More species than Nearctic because larger Neotropical (most species) Tropical regions have more species than temperate regions More species than other tropical regions because more vicariant events. Ethiopian Oriental Australasian
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Vicariant events involving orders and families of birds
May have affected birds of the Cretaceous (two lines)