Broadbills (Eurylaimidae)

Dusky Broadbill (Corydon sumatranus) - HBW 8, p. 92

French: Eurylaime corydon German: Braunkehl-Breitrachen Spanish: Eurilaimo Sombrío

Taxonomy: Coracias Sumatranus Raffles, 1822, interior of Sumatra.
Individual variation considerable. Several described races considered probably untenable: morator (from S Thailand), ardescens (SE Thailand) and khmerensis (Cambodia and S Indochina) regarded as inseparable from laoensis, and pallescens (Thai-Malay Peninsula) better treated as synonymous with sumatranus; orientalis possibly indistinguishable from brunnescens; further study of geographical variation is desirable. Four subspecies recognized.

Subspecies and Distribution:

  • laoensis Meyer de Schauensee, 1929 - S Myanmar, Thailand (except extreme S) and Indochina.
  • sumatranus (Raffles, 1822) - extreme S Thailand S to Sumatra.
  • brunnescens Hartert, 1916 - N Natuna Is and NW Borneo (Sarawak).
  • orientalis Mayr, 1938 - Borneo (except NW).