It is found in Angola, Republic of the Congo, the DRC, Malawi, Mozambique, Tanzania, Zambia, Zimbabwe, and possibly Botswana.

The Red-Capped Crombec are found in sub-Saharan Africa near countries like the Republic of Congo, DRC, Zambia, and Mozambique.

The Red-Capped Crombec has been observed to breed at the end of the dry season for countries like the Republic of Congo, DRC, Zambia, and Mozambique.

The Red-Capped Crombec are found to be territorial of their nesting sites, often having 2-4 eggs, and the egs incubate for around 12 days.

Typical African Warblers such as the red capped crombec tend to lay their eggs during the months september-march.

The Red-Capped Crombec forages on insects found throughout The Republic of Congo and DRC in tree tops and shrubs.

The red-capped Crombec has been observed using its sharp bills to pick insects off of tree leaves and shrubs on the ground.