King of Saxony Bird of Paradise
Pteridophora (Greek, carrying feathery-leafed fern = referring to specialised head feathers); alberti (named for Albert, King of Saxony).
Sexually dimorphic. Adult male, 22 cm (without head plumes); female, 20 cm. Adult male black head and upperparts, yellow underparts, cinnamon wing patches and two striking long erectile head plumes suggestive of enamel. Female grey brown above, pale beneath, marked with grey scalloping.
Mid montane and upper montane forests and the forest edgings, clearings and tracks; 1400-2850 m, mainly 1800-2500m.
Polygynous. Solitary males sing from traditional perches in exploded leks. Displays performed during at least September-April. Male performs display postures and waves its flag plumes, singing to female and bouncing vine on which female is perched.
Breeding possible all months but peaks about July-February. Females build and attend nests alone. Incubation period 22 days; nestling period and development unknown. No hybridisation known.
Status and conservation
Not globally threatened; common in places.
New Guinea: Western and central two-thirds of the central mountain ranges, from Weyland Range to Kratke Range.