Occurrence of the Spot-tailed Nightjar (Caprimulgus maculicaudus) in the Cauca River Valley, Colombia
Occurrence of the Spot-tailed Nightjar (Caprimulgus maculicaudus) in the Cauca River Valley, Colombia
Keywords:
distribution, Caprimulgus maculicaudus, Cauca River valley, deforestationAbstract
During 2005 through 2007, as part of a project monitoring viral diseases in birds, we captured seven Spot-tailed Nightjars (Caprimulgus maculicaudus) at the Laguna de Sonso Natural Reserve, Valle del Cauca, Colombia. Although it is widespread in the lowlands of Colombia and the Neotropics, this species had not been recorded previously in the Cauca River valley. Of the five nocturnal bird species captured in the area during 700 mist net hours in 2007, C. maculicaudus was the second most common. Owing to the intense ornithological exploration of the region, we believe it is highly improbable that the presence of this nightjar could have been overlooked in the past. Alternatively, we suggest it might have colonized the area recently as a result of the expansion of open areas in the region.
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