Sumba hornbill

Rhyticeros everetti

SUBFAMILY

Bucerotinae

TAXONOMY

Rhyticeros everetti Rothschild, 1897, Sumba. Monotypic. OTHER COMMON NAMES

English: Sumba Island hornbill, Sumba wreathed hornbill, Everett's hornbill; French: Calao de Sumba; German: Sumba-hornvogel; Spanish: Cálao de la Sumba.

PHYSICAL CHARACTERISTICS

21.7 in (55 cm); No weights available. Small and black with long, all-black tail. Head and neck rufous with blue throat skin, ridged casque, and pale yellow bill.

DISTRIBUTION

Restricted to the Indonesian island of Sumba. HABITAT

Patches of evergreen, monsoon, and gallery forests.

BEHAVIOR

Non-territorial but may be resident within certain forest patches. FEEDING ECOLOGY AND DIET

Highly frugivorous but no detailed studies available. Seeds of 16 fruit species found under one nest tree; most observations of feeding birds in strangling figs.

REPRODUCTIVE BIOLOGY Little known regarding nesting cycle.

CONSERVATION STATUS

Classified as Vulnerable and listed on CITES Appendix II. Population estimated at 4,000 individuals.

SIGNIFICANCE TO HUMANS

Meat is eaten to relieve rheumatism and asthma. Species becoming increasingly popular in pet trade. ♦

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