Website · Interactive Tool

Frog Transect Mapper

Bell 2010 Protocol — BMS Booklet Page 5 · 6 points × 10m intervals × 2-min listen

NZ Native Frog Species Guide

Archey's Frog

Leiopelma archeyi

Nationally Critical

37mm

Habitat: Damp forest floor, under rocks/logs, 300–1000m altitude

Call: No call — silent

Taranaki: Not confirmed in Taranaki — Coromandel/Waikato specialist

Tiny (≤37mm)Brown/green mottledNo webbingNo external eardrumNo call

Hochstetter's Frog

Leiopelma hochstetteri

At Risk — Declining

47mm

Habitat: Stream margins, wet rocks, lowland to montane forest

Call: Faint squeak — rarely heard

Taranaki: Possible in suitable Taranaki stream habitats — check under rocks

Medium (≤47mm)Brown/olivePartial webbing on hind feetNo external eardrumStream-associated

Hamilton's Frog

Leiopelma hamiltoni

Nationally Vulnerable

52mm

Habitat: Rock piles and talus slopes — very restricted range

Call: No call — silent

Taranaki: Not in Taranaki — restricted to Stephens Island / Maud Island

Larger (≤52mm)Brown/greyNo webbingRock pile specialistVery rare

Maud Island Frog

Leiopelma pakeka

Nationally Vulnerable

47mm

Habitat: Dense forest, leaf litter, rock piles

Call: No call — silent

Taranaki: Not in Taranaki — Maud Island / Motuara Island only

Medium (≤47mm)Brown/oliveNo webbingForest floorTranslocated populations only

Transect Setup

Point 1 of 6 — 0m from start

2:00listen

2-Minute Listen Period

Stand still and silent. Look carefully at stream margins, wet rocks, and leaf litter. NZ frogs are silent — detection is visual only.

0 / 6

Points Surveyed

0

Total Detections

50 m

Transect Length