Family Kingfishers (Alcedinidae)

Near Threatened

Biak Paradise-kingfisher (Tanysiptera riedelii)


French: Martin-chasseur de Biak German: Biakliest Spanish: Alción colilargo de Biak

Tanysiptera Riedelii

J. P. Verreaux

, 1866,

no locality = Biak Island, New Guinea


Traditionally placed in a species-group with T. galatea, T. ellioti and T. carolinae; commonly regarded as conspecific with the first two, but morphological differences support treatment as separate species. Monotypic.


Biak I and adjoining Supiori I, in N Geelvink Bay (NW New Guinea).

Descriptive notes

37 cm, including tail-streamers; male 63–70 g, female 55–72 g. Both sexes brilliant pale blue crown and nape, dark blue upperparts, white rump and tail; central... read more


Low, distinctive, barking call of 1 or 2 notes.


Dense primary forest, particularly bordering watercourses, possibly also secondary and disturbed... read more

Food and feeding

No information; presumably similar to other Tanysiptera species.


No information.


Presumably sedentary.

Status and conservation

Not globally threatened. Currently considered Near-threatened. Restricted-range species: present in Geelvink Islands EBA. Occurs in the Biak-Urara Protected Area, which... read more

Recommended citation

Woodall, P.F. (2019). Biak Paradise-kingfisher (Tanysiptera riedelii). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 19 April 2019).