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Thus, unmonitored purple martin houses are often overtaken by more aggressive, non-native species. [3] Purple martin proponents are motivated by the concern that the purple martin would likely vanish from eastern North America were it not for this assistance. [24] There is a misconception among many people regarding purple martin's temperament.
Operation Purple Martin was a US Marine Corps operation that took place in northwest Quảng Trị Province, lasting from 1 March – 2 May 1969. Background
Purple martin houses. Griggsville is located between the Mississippi River and the Illinois River and the hot muggy summers are the perfect habitat for mosquitoes. Amid growing concern over the use of pesticides to control mosquitoes, the town came up with an alternate abatement method.
The western house martin flies with a wing beat averaging 5.3 beats per second, which is faster than the wing beat of 4.4 beats per second for the barn swallow, [12] but the flight speed of 11 m/s (36 ft/s) is typical for hirundines. [13] The western house martin is a noisy species, especially at its breeding colonies.
Just as the purple martin, this species may compete with other passerines for nesting cavities. In particular, the main foe is the house sparrow [1] in urban areas, where they mostly use man-made structures, whereas in more rural locations Picidae holes in coconut trees are favored, and there is less competition with the sparrows.
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The genus Progne was introduced in 1826 by the German zoologist Friedrich Boie for the purple martin. [2] [3] The genus name refers to Procne (Πρόκνη), a mythological girl who was turned into a swallow to save her from her husband.
Adult female and immature Purple martins have a scaly breast pattern which can be used to distinguish the two species. [2] Unlike these two similar species, the Cuban martin is endemic to Cuba and Isla de la Juventud. [3] Purple martins and Caribbean martins are migratory species that are only present in the Cuban martin's range during winter.