Barriers to Animal Distribution | Zoogeography

The following points highlight the top two barriers to animal distribution. The barriers are: 1. Extrinsic Barriers 2. Intrinsic Barriers. Animal Distribution: Barrier # 1. Extrinsic Barriers: Those barriers working from outside of an individual's body of the population are extrinsic barriers. Extrinsic barriers are gene­rally of three types: (a) Physiographic (b) Biotic and (c) Climatic barriers. (a) Physiographic Barriers: [...]