Progne subis subis

Is the nominate form, with the typical features of the species, breeds in eastern North America.

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  A female Purple Martin in Chicago, USA.
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  Male singing, Chicago
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  Female, San Antonio, Texas
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  Cape May, New Jersey
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  Female, Horicon Marsh, Wisconsin
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  Female, Horicon Marsh, Wisconsin
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  Female, Horicon Marsh, Wisconsin
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  Female, Horicon Marsh, Wisconsin
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  Female, Horicon Marsh, Wisconsin

Progne subis arboricola

Of the Mexico and the southwestern United States, is distinguished primarily by its nesting habits.

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  Male, Redmond, Washington
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  Pair, Fern Ridge Reservoir, Oregon

Progne subis hesperia

Of western mountains is large with females paler on underparts.

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  Male, Tucson, Arizona
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  Male, Catalina, Arizona
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  male left, female right, Tuscon, Arizona
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  male left, female right, Tuscon, Arizona

Nests, eggs, Juveniles by age

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  Nestboxes for Purple Martins in Cape May Point, New Jersey, USA.
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  Tenney Park, Madison, Wisconsin
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  Tulsa, Oklahoma
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  Tulsa, Oklahoma
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  Tulsa, Oklahoma
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  Tulsa, Oklahoma
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  Tulsa, Oklahoma
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  Tulsa, Oklahoma