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Hierococcyx
genus of Cuculidae within Cuculiformes

trivial name latin name name specimens
Northern Hawk-Cuckoo
Hierococcyx hyperythrus
Hierococcyx hyperythrus 1 1
Hodgson's Hawk-Cuckoo
Hierococcyx nisicolor
Hierococcyx nisicolor 1 1
Large Hawk-cuckoo
Hierococcyx sparverioides
Hierococcyx sparverioides 1 1

species comparison1)

1) According to Hartmann (2000a, 2000b and 2016)
genus Hierococcyx: maximal number primaries: 10, maximal number secondaries: 10, maximal number retrices: 10

Random specimens