📸 PhotoPhoto: Hydrocorax · CC BY-SA 3.0 · Wikimedia Commons Source
Helmeted Hornbill
Rhinoplax vigil (Helmeted Hornbill · オナガサイチョウ)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 A male's weight of 3.06 kg is about 1/3 of a 10 kg bag of rice, and its body length of 1.27 m is a little over four sheets of A4 paper laid end to end along their long side of 29.7 cm (Comparison).
- 💡 Because it eats the fruits of rainforest fig trees and disperses their seeds, it requires well-connected forests to survive.
Reference standards: coach bus ~12 m, mid-size car ~4.9 m, compact car ~1 t, basketball hoop 3.05 m, credit card 8.56 cm.
Site-computed relative index from recorded values; not a formal scientific metric.
📖 1. Overview
The Helmeted Hornbill is a large hornbill living in the tropical rainforests of southern Myanmar, southern Thailand, the Malay Peninsula, Borneo, and Sumatra. Its IUCN Red List status is Critically Endangered (CR, 2020).
🦴 2. Anatomy & Morphology
The helmet-like casque on the front of its head is solid all the way through and hard like ivory, and is smaller in females. Its tail is long, measuring 30–45 cm.
🔍 3. Ecology & Behavior
Its diet consists mainly of fruits such as various figs, and it is reported to spend about half of the day hunting animal prey. Outside the breeding season, groups of up to 27 individuals have been reported together.
🇰🇷 4. Connection to Korea
No direct record connecting this species to Korea has been found.
📚 Sources & References
- • IUCN Red List CR (2020) — https://www.iucnredlist.org/species/22682464/184587039
- • IUCN Red List category CR — latest assessment at iucnredlist.org
- • doi.org — avilist.v2026
- • iucnredlist.org — 184587039
- • wikidata.org — Q226043
- • commons.wikimedia.org — File:Buceros-vigil-bvk.JPG
- • iucnhornbills.org — helmeted-hornbill
- • Silhouette: PhyloPic — author not recorded · Public Domain Mark 1.0 (Related taxon silhouette — Buceros bicornis)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.