Lined Forest Falcon

The lined forest falcon (Micrastur gilvicollis) is a species of bird of prey in subfamily Herpetotherinae of family Falconidae, the falcons and caracaras. It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela. == Taxonomy and systematics == Until 1972 what is now the lined forest falcon was considered a subspecies of the barred forest falcon (M. ruficollis); the treatment as a full species was confirmed in 2019. (In the mid-20th century some previous authors had treated it as a species.) What is now the cryptic forest falcon (M. mintoni) was a population of the lined forest falcon until 2002 when vocal studies and specimen analyses determined it was a separate species. The plumbeous forest falcon (M. plumbeus) has sometimes been considered a subspecies of the lined forest falcon. The lined forest falcon is monotypic. == Description == The lined forest falcon is 33 to 38 cm (13 to 15 in) long and weighs 170 to 262 g (6.0 to 9.2 oz). It has pale gray upperparts. Its white underparts have highly variable gray barring, from light gray only on the breast to heavy bars on the entire underparts. Its tail is dark gray with…