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The Purple Martin Update is published 4 times a year in February May The Impact of Starlings on Purple Martin Populations
The Purple Martin Conservation Association is affiliated with the Edinboro
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adult martins aluminum aluminum houses April arrived attract martins avian pox banded Barn Swallows behavior birdhouses bluebirds breeding broods clean colony sites dawnsong dead Edinboro University Editorial eggs eggshell entrance hole European Starling fallout shelter feed feet female fledged ground hatched hawks Helen Jacobs Hill House Finch House Sparrows insects July June juveniles Lake Lake Pontchartrain Causeway leave male martin martin colony Martin Conservation Association martin landlords martin nests martin pole martin population mate mealworms ment migration mosquitoes natural gourds neighbors nest compartment nest-site nesting material nesting sites nestlings North observed owls painted pairs of martins parasites parents Pennsylvania perch PMCA predators Purple Martin Conservation Purple Martin house Purple Martin Update saguaro scouts season snake Sparrows and starlings species spring summer tins tion trap Tree Swallows Warren Jacobs Waynesburg weather weeks Wildlife yard