Family Crows and Jays (Corvidae)

Least Concern

Bornean Black Magpie (Platysmurus aterrimus)


French: Platysmure de Bornéo German: Borneorabenhäher Spanish: Urraca negra de Borneo

Glaucopis aterrimus


, 1829,

near Pontianak, west coast of Borneo


Hitherto treated as conspecific with P. leucopterus, but differs in its lack of white wing-flash (3); longer crest (at least 1); shorter tail (effect size −2.49, score 2); and distinctive vocalizations, including much longer “bell-like” call (3), chattering call with different pace and frequency (2), and rising pitch to harsh nasal call (ns[1]). Monotypic.



Descriptive notes

41 cm. Rather heavily built, black corvid with fairly long and broad tail strongly graduated, stout bill with curved culmen, and prominent bristly crest formed by stiff... read more


Wide repertoire includes series of repeated mellow “whooo” whistles (each c. 0·6 seconds in length... read more


Occurs in dense lowland evergreen forest (dipterocarp, alluvial, peatswamp, freshwater swamp), ... read more

Food and feeding

Omnivorous. Few details of diet available, but fruit, large beetles (Coleoptera) and small mammals recorded as eaten; seen to dismantle... read more


Nest reported in Sept, and birds in various stages of breeding condition in Mar, May and Jul, all from Sabah. No other information... read more


Probably sedentary.

Status and conservation

Not globally threatened (Least Concern). Generally uncommon. Few data available, but this species is thought to have suffered a moderate and continuing decline as a result of... read more

Recommended citation

del Hoyo, J., Collar, N., Christie, D.A. & Kirwan, G.M. (2019). Bornean Black Magpie (Platysmurus aterrimus). 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 May 2019).