Common Hawk-Cuckoo
NameCommon Hawk-Cuckoo
Common NameCommon Hawk-Cuckoo
Scientific NameHierococcyx varius
FamilyCuculidae
Wingspan (cm)54.5
Length (cm)34
Weight (g)110
Plumage DetailsAdults have a grey head and nape, brown upperparts, and white underparts with distinct rufous barring on the breast and flanks. The tail is barred, and it has a prominent yellow eye-ring and yellow legs and feet.
Vocalization / CallKnown for its loud, repetitive, and distinctive call, often described as 'brain-fever' or 'one-more-bottle', which increases in tempo and volume. It is particularly vocal during the breeding season.
Primary Dietinsectivore
Primary Habitatsforest, urban
Conservation Statusleast-concern
Geographic RangeWidespread resident breeder across the Indian subcontinent, including India, Bangladesh, Nepal, Sri Lanka, and parts of Southeast Asia.
Identifying FeaturesHawk-like appearance, Grey head and brown back, White underparts with rufous barring, Yellow eye-ring and legs, Loud, repetitive 'brain-fever' call, Long, barred tail
Description
This medium-sized cuckoo is often mistaken for a hawk due to its similar appearance and flight pattern. It is a brood parasite, laying its eggs in the nests of other bird species. It typically perches upright, often on exposed branches or wires.
