Hornbills (Bucerotidae)

Pale-billed Hornbill (Tockus pallidirostris) - HBW 6, p. 493

French: Calao à bec pâle German: Blaßschnabeltoko Spanish: Toco Piquiclaro

Taxonomy: Buceros pallidirostris Hartlaub and Finsch, 1870, Caconda, Angola.
Forms a superspecies with T. nasutus. Races occasionally hybridize at W edge of Luangwa Valley, in Zambia. Two subspecies recognized.

Subspecies and Distribution:

  • pallidirostris (Hartlaub & Finsch, 1870) - EC, C & NE Angola, S Zaire, and E Zambia (W of Luangwa Valley).
  • neumanni (Reichenow, 1894) - Zambia (E from Luangwa Valley), Malawi, SE Tanzania and N Mozambique.

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