(from birdingwire.com)
The first Purple Martins, North America’s largest swallows, have already arrived in many southeastern states, stopping at a nesting colony site provided by dedicated birders who focus on these interesting birds – at home or at a seasonal lake cabin, at a nature center or city park. Often referred to as “scouts,” the first Purple Martin arrivals tend to be the oldest individuals, male or female, that migrate north as early as weather allows. Eventually other Purple Martins arrive at each nesting colony that hosts a random group of unrelated birds attracted to a common nesting site.
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