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Bob Mayer: Tree Swallow males checking nest box
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Bob Mayer: Eastern Screech-owl red phase
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Bob Mayer: Song Sparrow nest
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Bob Mayer: Eastern Screech-Owlet, gray phase
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Bob Mayer: Red-winged Blackbird fledgling
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Bob Mayer: Young Wood Duck
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Bob Mayer: Wood Duck young
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Bob Mayer: Wood Duck juveniles
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Bob Mayer: Red-winged Blackbird female
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Bob Mayer: Tree Swallow nest failure
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Bob Mayer: Tree Swallow fledgling