|Micrastur||mintoni||SA||e Amazonia s to Bolivia|
Members of the genus Micrastur are falcons varying in size from small to quite large. Their wings are short and very rounded. The tail is often long, rounded and arched, but in some forms comparatively shorter. The beak is short, deep and (unusually for a falcon) untoothed. They have long legs. The crown feathers are slightly pointed; those of ear region are narrow, stiff and upsurged, forming a slight ruff. They have large ear openings and hunt in part by sound. There are five species, all in the tropical forests of the Americas.
Listen to the sound of Cryptic Forest Falcon
[audio:http://www.planetofbirds.com/MASTER/FALCONIFORMES/Falconidae/sounds/Cryptic Forest Falcon.mp3]
Copyright remark: Most sounds derived from xeno-canto
recorded by Eduardo Patrial
|wingspan min.:||0||cm||wingspan max.:||0||cm|
|size min.:||33||cm||size max.:||38||cm|
|incubation min.:||0||days||incubation max.:||0||days|
|fledging min.:||0||days||fledging max.:||0||days|
Video Cryptic Forest Falcon
copyright: J. del Hoyo
During the dawn chorus in lowland terra firme forest at Caxiuna, Para, Brazil one morning in 1997, Andrew Whittaker recorded the vocalizations of a forest-falcon that he could not immediately place into any known species. After playback of the recording, he coaxed a small forest-falcon into the open. It looked almost exactly like the common Lined Forest-Falcon (Micrastur gilvicollis), yet in addition to its distinctive vocalizations, there were also subtle plumage differences. After examining museum specimens and an exhaustive analysis of forest-falcon recordings, Whittaker described this distinctive form as a new species, the Cryptic Forest-Falcon. It is a testament to how poorly known forest-falcons are that such a large bird that is widespread in southeastern Amazonia – ranging south of the Amazon, east of the Rio Madeira and west and south to the southern edge of humid lowland forest – could have remained unrecognized for so long.