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| | Purple Martin Philately |
 | | None of the martin stamps are from the United States, Mexico, or Canada, the only three countries where Purple Martins breed. |
 | | dominicensis is a common breeder in the Caribbean, nesting in cavities in trees, chimneys, belfries, houses, hollow pipes, or on cliffs and in caves. |
 | | In the past, some authors have considered the races of the Caribbean Martin to be races of the Purple Martin, while others split them apart as separate species. |
| www.purplemartin.org /update/Philately.html (521 words) |
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