Resumen
Dos episodios de despliegue de la ‘cola levantada’ fueron observados en el Trogon Acollarado (Trogon collaris) en la Cordillera de la Costa en Venezuela. En ambos despliegues se observaron a un macho y a una hembra moviendo la cola de forma rápida hasta llevarla a una posición horizontal, mientras emitían llamadas aproximadamente cada cinco segundos. Este despliegue ha sido reportado para varias especies de trogones en dos contextos, de cortejo o como amedrentamiento al depredador. En los casos reportados en esta nota, debido a que no se observó algún factor que amenazara a las aves, probablemente correspondan a parte del cortejo.
Abstract
The ‘raised tail’ behavior of two pairs of Collared Trogon (Trogon collaris) was observed in the Coastal Range of Venezuela. In both observations, a male and female rapidly raised their tails to a horizontal position and slowly returned them to a vertical hanging position. During these displays, both individuals simultaneously emitted loud calls approximately every 5 seconds, forming a duet. The first display lasted 30 minutes while the second lasted approximately 45 minutes. This ‘raised tail’ behavior has been reported for several species of trogons during courtship and when mobbing a predator. Because there were no predators present during both observations, the described ‘raised tail’ behavior was most likely a courtship display.
