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Page Scan of Egg and Nest: vol.02_004051-004075
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Page scan of Main Catalog Series: vol.068_342351-342375
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Page scan of Main Catalog Series: vol.057_287251-287275
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Page scan of Main Catalog Series: vol.113_564601-564625
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USNM 187242 Empidonax alnorum DOR
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Empidonax alnorum, female, Mississippi
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Page scan of Main Catalog Series: vol.024_121801-121825
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Page Scan of Egg and Nest: vol.05_018026-018050
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Empidonax alnorum, male, Mississippi
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USNM 187242 Empidonax alnorum LAT
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USNM 187242 Empidonax alnorum VEN
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Empidonax alnorum, male, Mississippi
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Page scan of Main Catalog Series: vol.013_072476-072500
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USNM 10079 Empidonax hammondii VEN
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Page scan of Main Catalog Series: vol.027_140126-140150
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USNM 10079 Empidonax hammondii TAG1
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Page scan of Main Catalog Series: vol.057_286676-286700
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USNM 10079 Empidonax hammondii LAT
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Page scan of Main Catalog Series: vol.026_131001-131025
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Page scan of Main Catalog Series: vol.008_040601-040625
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Page scan of Main Catalog Series: vol.093_466106-466130
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Page scan of Main Catalog Series: vol.084_419526-419550
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Page scan of Main Catalog Series: vol.079_395126-395150
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USNM 10080 Empidonax hammondii LAT