📸 PhotoPhoto: Francesco Veronesi from Italy · CC BY-SA 2.0 · Wikimedia Commons Source
Java Sparrow
Padda oryzivora (Java Sparrow · ブンチョウ)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its total length of 14 cm is the same as the length of a ballpoint pen (about 14 cm) (Comparison).
- 💡 According to the Invasive Species of Japan database of the National Institute for Environmental Studies, birds introduced as pets or cage birds escaped or were released and became feral, with breeding records in Tokyo, Osaka, and Hyogo.
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.
📖 1. Overview
The Java Sparrow is a small bird native to Java and Bali; Japan's Invasive Alien Species Database notes that it is threatened with extinction in its native range. Birds brought in as pets have also become feral in Japan.
🦴 2. Anatomy & Morphology
Its total length is about 14 cm, and it uses its large bill to husk grass seeds.
🔍 3. Ecology & Behavior
In its native range, it eats seeds, fruits, and insects, and often moves in pairs or flocks.
🇰🇷 4. Connection to Korea
No direct record connecting this species to Korea has been found.
📚 Sources & References
- • IUCN Red List EN (2021) — https://www.iucnredlist.org/species/22719912/183133210
- • IUCN Red List category EN — latest assessment at iucnredlist.org
- • doi.org — avilist.v2026
- • iucnredlist.org — 183133210
- • wikidata.org — Q500278
- • commons.wikimedia.org — File:Java Sparrow - Baluran NP - East Java MG 8207 (29696610
- • nies.go.jp — 20250.html
- • Silhouette: PhyloPic — Ferran Sayol · CC0 1.0 (Related taxon silhouette — Estrilda)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.