Phonygammus (Greek, wedded to sound, alludes to loud voice); keraudrenii, after Pierre François Keraundren, French surgeon-naturalist; common name alludes to the loud voice.
Sexually monomorphic. Adult males, 31 cm; females, 28 cm. Adult plumage overall glossy blue-black with distinctively elongated ‘ear tuffs’ and tatty ‘mane’ of nape and neck feathers. Adult females have somewhat duller underparts.
Mainly fruit and invertebrates.
Rainforests of lowland, hill and mid montane zones; also at forest edges and secondary growth and occasionally mangroves in Australia; 200-2000 m, mainly 900-1800 m.
Single male chases female then displays with frontal lunge and loud harsh call. Breeding season undefined but displays noted during March, May and August and copulation in mid November.
Monogamous; both sexes attend the nest during incubation, brooding and feeding. Some pair bonds exist for more than one season.
Status and conservation
Not threatened; locally common although populations on some islands and in Australia are patchy and fragmented.
New Guinea: lowlands and nearby islands; Australia: northern Cape York Peninsula.