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Hierococcyx

Hierococcyx or hawk-cuckoos is a genus of birds in the cuckoo family Cuculidae. They are distributed in South, Southeast, and East Asia. The resemblance to hawks gives this group the generic name of hawk-cuckoos.

Taxonomy
The genus Hierococcyx was introduced in 1845 by the German naturalists Salomon Müller to accommodate a single species, Cuculus fugax Horsfield, 1821, the Malaysian hawk-cuckoo. This species is the type by monotypy. The genus name combines the Ancient Greek ἱεραξ/hierax, ἱερακος/hierakos meaning "hawk" with κοκκυξ/kokkux, κοκκυγος/kokkugos meaning "cuckoo". In the past the genus was sometimes included in the genus Cuculus. ==Mimicry==
Mimicry
Hawk-cuckoos closely resemble accipiters in terms of appearance, an elongated body with long wings and tail, greyish or brownish upperparts with paler barred upperparts, as well as their swift direct flight. Underpart barring, a form of Batesian mimicry, tends to alarm small birds targeted by hawk-cuckoos for brood parasitism beyond only shape and colour. The seemingly dangerous appearance of the cuckoo reduces host aggression or mobbing, resulting in more opportunities for the cuckoo to parasitise the host. ==Species==
Species
The genus contains eight species: ==References==
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