Lined Forest-falcon
Encyclopedia
The Lined Forest Falcon (Micrastur gilvicollis) is a species of bird of prey
in the Falconidae
family. It is endemic to humid forest in the western and northern Amazon Basin
. Populations found in the south-eastern Amazon Basin
(south of the Amazon River
and east of the Madeira River
) were formerly included in this species, but were described as a new species
, the Cryptic Forest Falcon, in 2003. Together with the Plumbeous Forest Falcon of the Chocó, they are an example of a cryptic species complex
. While adults of all three species have the deep orange-red facial skin and cere
that separates them from the sympatric Barred Forest Falcon, only the Lined Forest Falcon has two white bars in the tail (in addition to a narrow white tail-tip).
Bird of prey
Birds of prey are birds that hunt for food primarily on the wing, using their keen senses, especially vision. They are defined as birds that primarily hunt vertebrates, including other birds. Their talons and beaks tend to be relatively large, powerful and adapted for tearing and/or piercing flesh....
in the Falconidae
Falconidae
The falcons and caracaras are around 60 species of diurnal birds of prey that make up the family Falconidae. The family is divided into two subfamiles, Polyborinae, which includes the caracaras and forest falcons, and Falconinae, the falcons, kestrels and falconets.-Description:Falcons and...
family. It is endemic to humid forest in the western and northern Amazon Basin
Amazon Basin
The Amazon Basin is the part of South America drained by the Amazon River and its tributaries that drains an area of about , or roughly 40 percent of South America. The basin is located in the countries of Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela...
. Populations found in the south-eastern Amazon Basin
Amazon Basin
The Amazon Basin is the part of South America drained by the Amazon River and its tributaries that drains an area of about , or roughly 40 percent of South America. The basin is located in the countries of Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela...
(south of the Amazon River
Amazon River
The Amazon of South America is the second longest river in the world and by far the largest by waterflow with an average discharge greater than the next seven largest rivers combined...
and east of the Madeira River
Madeira River
The Madeira River is a major waterway in South America, approximately 3,250 km miles long The Madeira is the biggest tributary of the Amazon...
) were formerly included in this species, but were described as a new species
Bird species new to science described in the 2000s
This page details the bird species described as new to science in the years 2000 to 2010:-Number of species described per year:-Countries with high numbers of newly described species:* Brazil* Colombia* Peru* Indonesia-2000:...
, the Cryptic Forest Falcon, in 2003. Together with the Plumbeous Forest Falcon of the Chocó, they are an example of a cryptic species complex
Cryptic species complex
In biology, a cryptic species complex is a group of species which satisfy the biological definition of species—that is, they are reproductively isolated from each other—but whose morphology is very similar ....
. While adults of all three species have the deep orange-red facial skin and cere
Cère
The Cère is a long river in south-western France, left tributary of the Dordogne River. Its source is in the south-western Massif Central, near the mountain Plomb du Cantal...
that separates them from the sympatric Barred Forest Falcon, only the Lined Forest Falcon has two white bars in the tail (in addition to a narrow white tail-tip).