Reptiles
Caucasian Toad (Bufo verrucosissimus) — Borjomi / Akhaldaba

Caucasian Toad

Bufo verrucosissimus

Caucasian toad — a candidate species versus B. bufo in the checklist.

Borjomi / AkhaldabaRisk to humansHarmless

At a glance

Key facts in one look

Habitat

Borjomi / Akhaldaba

Venom

None

Status

Candidate

Family

Bufonidae

Overview

What is Caucasian Toad

The Caucasian toad (Bufo verrucosissimus) is a candidate species in Tarkhnishvili et al. 2026. Sinsch et al. (2008) find no firm evidence of separate species status; Cyt b difference between Georgian B. verrucosissimus and nominal B. bufo from Slovenia is less than 2%. There is no sharp geographic border in Anatolia. The checklist still lists it as a separate species following the majority of authors, but the status requires validation. Nominotypical subspecies B. v. verrucosissimus. The barcode is from Akhaldaba. The checklist figure is Borjomi, Akhaldaba.

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Gallery

Distribution

Where Caucasian Toad lives in Georgia

Highlighted regions show where this species has been recorded.

Identification

How to identify Caucasian Toad

Caucasian toad (Bufo) — not the green toad (Bufotes viridis). Candidate versus B. bufo in the checklist.

  1. 01

    Bufo; nominotypical subspecies B. v. verrucosissimus.

  2. 02

    Candidate species versus B. bufo.

  3. 03

    Barcode and figure: Akhaldaba / Borjomi.

  4. 04

    Not Bufotes viridis.

Biology

Habitat, diet, behavior, and conservation

Habitat and range

Barcode and figure — Borjomi, Akhaldaba.

Conservation

Candidate species versus B. bufo in the checklist. Separate species rank still needs validation.

Questions

Frequently asked questions

Short answers to the most important questions about Caucasian Toad.

Yes. It is on the checklist. The barcode is from Akhaldaba; the figure is Borjomi, Akhaldaba.

Tarkhnishvili et al. 2026: Sinsch et al. (2008) see no firm evidence of separate species status; Cyt b difference from nominal B. bufo is less than 2%. The checklist follows the majority of authors, but the status still needs validation.

This is Bufo verrucosissimus, not Bufotes viridis. The green toad is confirmed in this checklist and sitibundus is not split.

Site classification: Harmless. Venom: none.

References

Sources

Species profiles are compiled from peer-reviewed literature and established biodiversity databases, and are reviewed as new taxonomic and conservation data become available.