Hornbills (Bucerotidae)

Rufous Hornbill (Buceros hydrocorax) - HBW 6, p. 503

French: Calao à casque plat German: Feuerhornvogel Spanish: Cálao Filipino Grande
Other common names: Great Philippine Hornbill, Philippine Brown Hornbill

Taxonomy: Buceros Hydrocorax Linnaeus, 1766, Moluccas; error = Manila, Philippines.
Races mindanensis and semigaleatus rather distinct from nominate, and together may represent a separate species. Basilan birds described as race basilanicus, but appear inseparable from mindanensis. Three subspecies currently recognized.

Subspecies and Distribution:

  • hydrocorax Linnaeus, 1766 - N Philippines, on Luzon and Marinduque.
  • semigaleatus Tweeddale, 1878 - C Philippines, on Samar, Leyte, Bohol, Panaon, Buad, Calicoan and Biliran.
  • mindanensis Tweeddale, 1877 - S Philippines, on Dinagat, Siargao, Balut, Bucas, Talicud, Mindanao and Basilan.