Purple Martins are the largest species of swallow. They live in colonies and consume insects for food. House Sparrows and European Starlings compete with them, directly contributing to the decline of martin populations. The species fight an… read more
While not everybody will accept your invitation to stick around, there are nearly 50 American bird species willing to nest in artificial houses intended for that purpose. Like any house guest, some are less picky than others. Birds will dec… read more
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