Image: An unusual case of two wasp nests inside one nest box purposefully set for Boreal Owls

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Description: This is a nest box for Boreal Owls in Cape Breton Highlands National Park, Nova Scotia, Canada. The front door is open to allow for inspection. Wasp nests are uncommonly found in these nest boxes, and this box has two, a unique event in my experience.
Title: An unusual case of two wasp nests inside one nest box purposefully set for Boreal Owls
Credit: I took this picture from the top of a ladder while inspecting the nest box.
Author: CompAnatProf
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes

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