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🧬 Biological Classification (Kingdom to Species)Otis tarda

Kingdom

Animalia

Phylum

Chordata

Class

Aves

Order

Otidiformes

Family

Otididae

Genus

Otis

Species

Otis tarda

Aves❔ Diet unknown

Great Bustard

Otis tarda (Great Bustard · ノガン)

🛡️ Conservation Status (IUCN Red List)EN (Endangered)

DDData Deficient

LCLeast Concern

NTNear Threatened

VUVulnerable

ENEndangered

CRCritically End.

EWExtinct in Wild

EXExtinct

🇰🇷 Class I endangered wildlife (Korea) · Natural Monument (Korea) «Great Bustard»

Geological Era

Extant

Diet

No data

Length · Height

1.02m · No data

Mass · Top Speed

8.1kg · No data

Habitat & Fossil Locality

Wide plains, farmlands, short-grass meadows, and dry hilly grasslands

💡 Everyday Comparisons for Size, Mass & Speed

💡 Before the Korean War, it was a commonly seen winter visitor and a representative game bird (Encyclopedia of Korean Culture).
💡 Its weight of 8.1 kg recorded by the BTO is slightly lighter than a 10 kg bag of rice (Comparison).

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.

📊 Mass & Speed Index (0–100)

⚖️ Mass Index (Blue Whale ~190 t = 100, log scale)47

Site-computed relative index from recorded values; not a formal scientific metric.

#느시#Otis tarda

📖 1. Overview

The Great Bustard, also called 'deul-chilmyeonjo' (wild turkey) in Korean, is a large bird with a fragmented distribution from Spain to East Asia. Males are much larger than females, with a body length of about 102 cm in males and about 76 cm in females.

🦴 2. Anatomy & Morphology

Males are dark brown from the hindneck to the breast with a chestnut breast band and whisker-like feathers from the throat to the chin. Females are gray without a breast band, and the bill is yellowish-brown.

🔍 3. Ecology & Behavior

It nests in wide plains, farmlands, and short-grass meadows, laying 2–3 eggs that the female incubates for 25–28 days. It is a very wary bird.

🇰🇷 4. Connection to Korea

It is Class I endangered wildlife (Korea), and records from the Korea Heritage Service note that it was designated as a Natural Monument (Korea) in 1968. Before the Korean War it was a common winter visitor, but it is now rarely seen.