White-tipped Swift Aeronautes montivagus
Version: 1.0 — Published October 10, 2014
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White-tipped Swift nests colonially in crevices on cliffs or the sides of buildings. Based on sightings at Rancho Grande, Miranda, Venezuela, the breeding season is believed to be from April to July (Schäfer and Phelps 1954, Chantler 2000). There is some suggestion that breeding at Valle de Guayllabamaba, Ecuador is not synchronized, as three of six specimens collected in November-December were in breeding condition, but the remaining three specimens had small gonads (Marín et al. 1992). No nests have been documented yet due to the difficulty of reaching these breeding sites (Strewe 2004). The nest structure and clutch size are probably like other species in the genus Aeronautes, which make an open cup nest out of feathers and fibers and lay 4-5 eggs (Lack 1956).