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Tree Swallow (TRES) pair
TRES Nest box
Installed along a cross fence on the prairies with an adult looking out of the nest box
TRES nest box
Male TRES checking out a house wren nest box. It did not fit in this box but moved to another site with a TRES nest box.
Tree Swallow (TRES) pair
Tree Swallow Nest Box Gallery
Tree Swallow & Violet-green Swallow Nest Box Guidelines
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For information regarding current research on tree swallow nest boxes that is being conducted by Warne in the Wild go to the Tree Swallow Nest Box Research page.
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