Appearance
This is a small, rare hawk that lives in forests in mid elevations. It has black upperparts and a white band on the back of its neck. Its underparts are white, and it can have blotches on its sides. Young semi-collared hawks are more brownish. It usually stays in the forest and preys on smaller birds, occasionally soaring.When calling to others, semicollared hawks create a high-pitched, almost whistle-like, sound. In addition, some semicollared hawks have been heard singing songs that consist of the repetition of a mid-pitch "vvt-vvt" sound. These songs also contain a series of four quick high-pitched calls that successively get higher.
Distribution
This species is known to be non-migratory.Reproduction
The generation length of this species is 5.1 years.Food
There is very little information on the feeding behavior of the semi-collared hawk, but In northern Colombia, a male was found with passerine feathers in its stomach. Another semicollared hawk was found chasing Dusky Bush Tanagers at Otanga in the western slopes of the Andes in northwestern Ecuador. These suggest that this species mainly, or only, feeds on birds.Predators
Primarily due to agricultural expansion, forestry has declined. While this does not seem to currently affect the population, it may present a threat in the future.References:
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