Image Caption
New species formed from within the range of the ancestral population.
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This image is part of a series:
![](https://evolution.berkeley.edu/wp-content/uploads/2021/10/79158_evo_resources_resource_image_300_original.gif)
Modes of speciation (1 of 4) Allopatric
New species formed from geographically isolated populations.![](https://evolution.berkeley.edu/wp-content/uploads/2021/10/peripatric_beetles.gif)
Modes of speciation (2 of 4) Peripatric
New species formed from a small population isolated at the edge of a larger population.![](https://evolution.berkeley.edu/wp-content/uploads/2021/10/13473_evo_resources_resource_image_302_original.gif)