📸 PhotoPhoto: Camera trap photographs taken by Kadoorie Farm and Botanic Garden. · CC BY 4.0 · Wikimedia Commons Source
Hainan Crested Gibbon
Nomascus hainanus (Hainan Crested Gibbon · ハイナンテナガザル)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 A maximum weight of 10 kg is half of a 20 kg bag of rice (Comparison).
- 💡 Live individuals and body parts are traded on the black market for traditional medicine, causing severe damage to the population despite having no proven medical efficacy (ADW).
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 Hainan Crested Gibbon is a gibbon endemic to Hainan Island in China, and with 95% of its original habitat lost, its population is extremely small.
🦴 2. Anatomy & Morphology
Males and juveniles are completely black, whereas females are brownish-buff with a white face ring. Both sexes have a black fur crest of about 10×3 cm on top of the head, and newborns start out tawny brown before turning black within 5–6 months.
🔍 3. Ecology & Behavior
It is almost exclusively frugivorous and especially fond of figs. Groups usually consist of one male and two females, and births occur at intervals of about 24 months.
🇰🇷 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/41643/17969392
- • IUCN Red List category CR — latest assessment at iucnredlist.org
- • mammaldiversity.org — 1000739
- • iucnredlist.org — 17969392
- • wikidata.org — Q960477
- • commons.wikimedia.org — File:Nomascus hainanus (Hainan Gibbon) Locomotor modes.webp
- • animaldiversity.org — Nomascus hainanus
- • Silhouette: PhyloPic — Kai R. Caspar · CC BY 3.0 (Congeneric silhouette — Nomascus leucogenys)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.