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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.
The smallest species by weight may be the Fanti sawwing, at a mean body mass of 9.4 g (0.33 oz) while the purple martin and southern martin, which both weigh in excess of 50 g (1.8 oz) on average, rival one another as the heaviest swallows. [18] The wings are long, pointed, and have nine primary feathers.
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.
This martin is a colonial breeder, with colonies sometimes containing hundreds of nests. [6] Some birds may remain at the colonies throughout the year, using the nests as a winter roost. [ 7 ] The normal clutch is three or four plain white eggs averaging 18.6 mm × 12.8 mm (0.73 in × 0.50 in) and weighing 1.6 g (0.056 oz).
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Woodworking was essential to the Romans. It provided, material for buildings, transportation, tools, and household items. Wood also provided pipes, dye, waterproofing materials, and energy for heat. [5]: 1 Although most examples of Roman woodworking have been lost, [5]: 2 the literary record preserved much of the contemporary knowledge.
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.
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