Pentholaea collaris was recorded in mature Miombo woodland and peripheral woodland in western Tanzania. A study at Ruaha National Park found nests in low tree holes and observed birds hawking insects.
Adult females of the collaris form in western Tanzania have black from above the eye to the nape, with white cheeks, throat, neck collar, and upper breast forming a complete collar.
At Ruaha National Park, birds bred in mature Miombo woodland and peripheral woodland, with nests in tree holes low above the ground. The study also recorded them hawking insects.
An extinction-risk assessment has not been added yet.