The Tree Swallows have also returned. I found a couple dozen swooping the farm fields at Eastern Neck NWR, with a few trying to take control of a nesting box, much to the dismay of a pair of Eastern Bluebirds.
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Tree Swallow (male)
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Eastern Bluebird (female) not too happy with the Tree Swallows
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Tree Swallow (male) on top of nesting box post
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Eastern Bluebird (male) contemplating his next attack
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Tree Swallow (male) telling off a Bluebird
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Hopefully the bluebirds are back in control today; they were there first and the box is for them. 🙂
