Kajika frog
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An illustration based on the real animal.
A little discovery to share.
Female kajika frogs grow much larger than males.
THE REAL WORLD
The real Kajika frog
- Scientific name
- Buergeria buergeri
- Japanese name
- カジカガエル
- Group
- Amphibians and reptiles
- Class
- Amphibia
- Order
- Anura
- Family
- Rhacophoridae
- Genus
- Buergeria
A frog that lives around rivers and mountain streams, from lowlands up into the mountains.
It has sticky pads on its finger and toe tips, and usually lives up in trees or on high cliffs.
In the breeding season, males call with a beautiful, deer-like voice. This is where its Japanese name, meaning "river deer", comes from.
How the Kajika frog lives
They eat spiders, flies, and other small insects. They breed under stones or at the bases of plants in shallow stream stretches. The eggs are black on top and form a large, jelly-like mass.
国土交通省 中国地方整備局Basic data
- Size
- Body length: males 37–44 mm, females 49–69 mm
- Diet
- Spiders, flies and small insects
Where the Kajika frog has been recorded
Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF
Watch wild animals from a distance. Do not touch or feed them, and take care of the places where they live.
Names around the world
- 日本語
- カジカガエル
- 简体中文
- 伯氏溪树蛙
- 繁體中文
- 伯氏溪樹蛙
- 한국어
- 기생개구리
- Deutsch
- Bürgers Japanruderfrosch
- Русский
- Поющая бюргерия
Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.
Sources and how we check
- 国土交通省 中国地方整備局 — カジカガエル（弥栄ダム周辺の生き物）Checked: 2026-11-03
We check each fact against its source. The illustrations simplify how the real animal looks.
The classification (class, order, family, genus) follows Wikidata records, checked against GBIF. Classifications can change as research goes on.
The basic data are the values given in each source. They vary with how the animal is measured, whether it is male or female, and whether it lives in the wild or in captivity.
This page was translated from the original Japanese with the help of AI.
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