The red shading indicates the range of the brown bear. The blue shading indicates the range of the polar bear. The purple shading indicates areas where both live. This is an example of peripatric speciation because polar bears' ancestors moved to a new ecological niche on the periphery of the brown bears' original habitat.

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+ 1 🙂 Good
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Topics:
   + Biogeographical maps of the world
   + Ursidae distribution maps
   + Ursus arctos
   + Ursus maritimus

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• Source: commons.wikimedia.org # 49009030
• Filename: Polar bear vs brown bear.png
• Thumbnail: 130x65 pixels - image/png
• Preview: 640x320 pixels - image/png
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Licensing:

• Artist: CPiGuy
• License: CC BY-SA 4.0, Creative Commons Attribution-Share Alike 4.0
• Attribution Required

Media information:

• Original datetime: 2016-05-24
• Upload datetime: 2016-05-25T17:43:35Z
• Uploader: User:CPiGuy
• SHA1: a76b583a4288388879d19b9ea898c01624dfce74
• Refreshed: 2018-08-23 22:42:15 UTC

Technical Topics:
   + CC-BY-SA-4.0
   + Self-published work