Slaty-backed Forest Falcon (Micrastur mirandollei) Science Article 1 abstract Five of the seven species of the mysterious Forest-falcons (Micrastur: Falconidae) occur en Los Amigos river basin, Madre de Dios, Peru Ursula Valdez, Boletin SAO Vol. XVI (No. 02) – Dic. 2006 Download article download full text (pdf)
Tag: all of Micrastur
NEST-SITE CHARACTERISTICS AND BREEDING DENSITY OFTWO SYMPATRIC FOREST-FALCONS IN GUATEMALA
Collared Forest Falcon (Micrastur semitorquatus) Science Article 2 abstract The Barred Forest-Falcon (Micrastur ruficollis) and Collared Forest-Falcon (M. semitorquatus) are cavity nesters with similar geographic distributions but differences in body size. For Barred and Collared forest-falcons, nest height averaged 17 and 20 m above ground, nest tree dbh averaged 95 and 167 cm, and nest […]
Photos of Micrastur species in Peru, covering the Surinam species
Collared Forest Falcon (Micrastur semitorquatus) Science Article 3 abstract Five of the seven species of the mysterious Forest-falcons (Micrastur: Falconidae) occur en Los Amigos river basin, Madre de Dios, Peru Ursula Valdez, Boletin SAO Vol. XVI (No. 02) – Dic. 2006 Download article download full text (pdf)
Breeding biology and behavior of the Collared forest-falcon (Micrastur semitorquatus) in Guatemala
Collared Forest Falcon (Micrastur semitorquatus) Science Article 1 abstract We studied Collared Forest-Falcons Micrastur semitorquatus in Tikal National Park, Guatemala from 1988 through 1993, documenting 9 nesting attempts. The Collared Forest-Falcon is a year-round resident, nesting in pre-existing cavities in large trees. Breeding commenced during the middle of the dry season. Egg laying occurred early […]
First record of a Barred Forest-falcon (Micrastur ruficollis) nesting in a cliff pothole
Barred Forest Falcon (Micrastur ruficollis) Science Article 1 abstract Between 5 March-13 May 1996 we observed a pair of Barred Forest-falcons in Peten, Guatemala demonstrating nuptial behavior and utilizing a cliff pothole as a nest site. Each morning and evening of 5-10 March, 8-13 April, and 8-13 May 1996, we heard a male Barred Forest-falcon […]
NEST-SITE CHARACTERISTICS AND BREEDING DENSITY OFTWO SYMPATRIC FOREST-FALCONS IN GUATEMALA
Barred Forest Falcon (Micrastur ruficollis) Science Article 3 abstract The Barred Forest-Falcon (Micrastur ruficollis) and Collared Forest-Falcon (M. semitorquatus) are cavity nesters with similar geographic distributions but differences in body size. For Barred and Collared forest-falcons, nest height averaged 17 and 20 m above ground, nest tree dbh averaged 95 and 167 cm, and nest […]
Photos of Micrastur species in Peru, covering the Surinam species
Barred Forest Falcon (Micrastur ruficollis) Science Article 4 abstract Five of the seven species of the mysterious Forest-falcons (Micrastur: Falconidae) occur en Los Amigos river basin, Madre de Dios, Peru Ursula Valdez, Boletin SAO Vol. XVI (No. 02) – Dic. 2006 Download article download full text (pdf)
Slaty-backed Forest Falcon (Micrastur mirandollei)
[order] FALCONIFORMES | [family] Falconidae | [latin] Micrastur mirandollei | [authority] Schlegel, 1862 | [UK] Slaty-backed Forest Falcon | [FR] Carnifex ardoise | [DE] Graurucken-Waldfalke | [ES] Halcon-montes Dorsigris | [NL] Mirandolle’s Bosvalk Subspecies Genus Species subspecies Region Range Micrastur mirandollei LA Costa Rica to e Brazil Genus Members of the genus Micrastur are falcons […]
Plumbeous Forest Falcon (Micrastur plumbeus)
[order] FALCONIFORMES | [family] Falconidae | [latin] Micrastur plumbeus | [authority] Sclater, 1918 | [UK] Plumbeous Forest Falcon | [FR] Carnifex plombe | [DE] Sperber-Waldfalke | [ES] Halcon montes Plomizo | [NL] Grijze bosvalk Subspecies Genus Species subspecies Region Range Micrastur plumbeus SA sw Colombia, nw Ecuador Genus Members of the genus Micrastur are falcons […]
Lined Forest Falcon (Micrastur gilvicollis)
[order] FALCONIFORMES | [family] Falconidae | [latin] Micrastur gilvicollis | [authority] Vieillot, 1817 | [UK] Lined Forest Falcon | [FR] Carnifex a gorge cendree | [DE] Zweibinden-Waldfalke | [ES] Halcon-montes Plomizo | [NL] Gebandeerde Bosvalk Subspecies Genus Species subspecies Region Range Micrastur gilvicollis SA Amazonia Genus Members of the genus Micrastur are falcons varying in […]