Nesocharis ansorgei
The White-collared Oliveback (Nesocharis ansorgei) is a striking, yet often skulking, member of the Estrildidae family, known for its distinctive plumage. Measuring approximately 10-11 cm in length, this small finch exhibits a rich olive-green back and wings, contrasting sharply with a prominent black head and throat. A defining field mark is the crisp white collar encircling the nape and extending to the sides of the neck, creating a clean demarcation from its black head. Its underparts vary...
Found primarily in montane evergreen and bamboo forests, forest edges, and clearings, typically at elevations ranging from 1,200 to 2,500 meters.
Primarily granivorous, feeding on small seeds from grasses and sedges, supplemented with various small invertebrates such as termites, ants, and caterpillars. Forages by gleaning from vegetation and the ground.
White-collared Olivebacks are generally active but elusive, often foraging low in dense undergrowth or on the ground. They are typically observed in pairs or small family groups, sometimes joining mixed-species foraging flocks with other estrildids or sunbirds. Foraging involves gleaning small se...
The White-collared Oliveback is restricted to a disjunct distribution across east-central Africa, primarily within the Albertine Rift montane forests. Its breeding range encompasses western Kenya, Uganda, Rwanda, Burundi, and eastern regions of the Democratic Republic of Congo (DRC). Specific str...
Least Concern
- The striking white collar is a key distinguishing feature, separating it from other similar-looking finches in its range. - Despite its vibrant coloration, it is often overlooked due to its skulking nature within dense montane forest vegetation. - It is one of only two species in the genus Neso...