---
title: "Boreal Digging Frog"
description: "Kaloula borealis — Amphibians. The boreal digging frog (Kaloula borealis) is a species of microhylid, or \"narrow-mouthed,\" frog found in Northeast Asia."
canonical: https://animalchecklist.com/animal/boreal-digging-frog
last_updated: 2026-09-20
---

# Boreal Digging Frog

> Kaloula borealis — Amphibians. The boreal digging frog (Kaloula borealis) is a species of microhylid, or "narrow-mouthed," frog found in Northeast Asia.

- Scientific name: *Kaloula borealis*
- Category: `amphibians` (Amphibians)
- Habitats: `grassland` (Fields & meadows), `farm` (Farm)
- iNaturalist observations: 3186
- Wikidata: [Q1071723](https://www.wikidata.org/wiki/Q1071723)
- iNaturalist taxon: [24915](https://www.inaturalist.org/taxa/24915)

## Names

- en: Boreal Digging Frog
- nl: Boreal digging frog

## Countries with the most observations

KR (2314), CN (652)

## Summary

The boreal digging frog (Kaloula borealis) is a species of microhylid, or "narrow-mouthed," frog found in Northeast Asia.  Its range covers much of central and northeastern China, the Korean Peninsula, and Jeju Island. Adult boreal digging frogs are roughly 4.5 cm in length, round in shape with toad-like speckled skin. Tadpoles are up to 35 mm (1.4 in) in length.
The boreal digging frog is common across much of its range, but is listed as an "Endangered category II species" in South Korea. It inhabits cultivated fields, including rice paddies, and is often found in close proximity to humanity, at altitudes of 10 to…

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Boreal_digging_frog

## Photo

![Boreal Digging Frog](https://animalchecklist.com/img/animals/boreal-digging-frog/medium.jpg)

Photo: zhangwit · CC0 · inaturalist — https://www.inaturalist.org/observations/224283309

## Machine access

`GET https://animalchecklist.com/api/v1/animals/boreal-digging-frog?lang=en` — see [openapi.json](https://animalchecklist.com/openapi.json).
