📸 PhotoPhoto: Evgenia Kononova , upload on en:wiki by user Ipaat on en.wikipedia · Public domain · Wikimedia Commons Source
White Bald Uacari
Cacajao calvus (White Bald Uacari · アカウアカリ)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its maximum weight of 3 kg equals about one and a half 2 L bottles of water, making it about the size of a cat (Comparison).
- 💡 It is valued for its meat in Peru, used as hunting bait in Brazil, and is also useful in human vaccine and disease research (ADW positive economic importance).
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 white bald uacari is a cat-sized monkey living in flooded forests of the Amazon, unmistakable for its bare crimson face.
🦴 2. Anatomy & Morphology
It has a broad, flat face with widely separated nostrils, and a hairless crimson face and ears. Its short, stumpy tail is not prehensile, and its fingers and toes lack claws.
🔍 3. Ecology & Behavior
It feeds on seeds of unripe fruits, ripe fruits, leaves, nectar, and insects such as caterpillars. During the rainy season it stays high in the trees, while in the dry season it descends to the ground to search for fallen seeds and seedlings.
🇰🇷 4. Connection to Korea
No direct record connecting this species to Korea has been found.
📚 Sources & References
- • IUCN Red List LC (2025) — https://www.iucnredlist.org/species/3419/258886875
- • IUCN Red List category LC — latest assessment at iucnredlist.org
- • mammaldiversity.org — 1000894
- • iucnredlist.org — 258886875
- • wikidata.org — Q377612
- • commons.wikimedia.org — File:Male uakari.jpg
- • animaldiversity.org — Cacajao calvus
- • Silhouette: PhyloPic — T. Michael Keesey · CC0 1.0 (Related taxon silhouette — Pithecia monachus)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.