It was discovered in 1996 in the Acre Arch uplands in the state of Acre in Brazil, and described as a species new to science in 2004.
The Thamnophilus divisorius is classified as Least Concern. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category.
Thamnophilus divisorius is sister to T. insignis (Streak-backed Antshrike), a narrow endemic of pantepui, and forms a wellsupported clade with that species and T. amazonicus (Amazonian Antshrike). Thamnophilus divisorius occurs in a remote region within a national park in Brazil; despite its limited range, we are optimistic about its future survival. Received 16 May 2003, accepted 24 June 2004. RESUMO.- Descrevemos uma nova espécie de tamnofilideo (Thamnophilus divisorius, Chocado-Acre) oriunda da serra do Divisor, Acre, Brasil. More
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