📸 PhotoPhoto: Per Harald Olsen · CC BY-SA 3.0 · Wikimedia Commons Source
Eurasian Beaver
Castor fiber (Eurasian Beaver · ヨーロッパビーバー)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its maximum weight of 35 kg is close to two 20 kg bags of rice (Comparison).
- 💡 Overhunting and habitat destruction reduced it to about 1,300 individuals in the 20th century, and it now lives in scattered populations across France, Germany, Poland, and other countries.
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 Eurasian beaver is a large rodent living along freshwaters in Europe and Asia that builds dams and creates wetlands.
🦴 2. Anatomy & Morphology
It has webbed hind feet, a broad, scaly black tail, and large orange incisors. Underwater, transparent membranes cover its eyes while its ears and nostrils close.
🔍 3. Ecology & Behavior
In winter it eats woody trees such as willow, aspen, and birch, switching in summer to aquatic plants, bark, leaves, and roots. Living in family colonies, it is a keystone species that floods riverside woods with its dams to create wetlands.
🇰🇷 4. Connection to Korea
No direct record connecting this species to Korea has been found.
📚 Sources & References
- • IUCN Red List LC (2021) — https://www.iucnredlist.org/species/4007/197499749
- • IUCN Red List category LC — latest assessment at iucnredlist.org
- • mammaldiversity.org — 1001958
- • iucnredlist.org — 197499749
- • wikidata.org — Q181191
- • commons.wikimedia.org — File:Beaver pho34.jpg
- • animaldiversity.org — Castor fiber
- • Silhouette: PhyloPic — Steven Traver · CC0 1.0
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.