CR

Microkayla kallawaya

Declining

Overview

Microkayla kallawaya is a small terrestrial frog belonging to the family Craugastoridae, described from the high Andean cloud forests and montane grasslands of the Bolivian Andes. Named in reference to the Kallawaya people, traditional healers of the region, this species inhabits humid microhabitats among leaf litter, mosses, and dense understory vegetation at high elevation, where cool, moisture-saturated conditions are essential for its survival. Like many members of the genus Microkayla, it likely reproduces through direct development, bypassing a free-swimming tadpole stage, an adaptation suited to the cold, wet environments of the puna and yungas ecotones.

The species is currently classified as Critically Endangered (CR) by the IUCN, with a population trend that is decreasing. Its restricted range makes it acutely vulnerable to environmental change, and ongoing habitat degradation from agricultural expansion, livestock grazing, and infrastructure development in the Bolivian highlands continues to shrink the limited area it occupies. Amphibian chytrid fungus, which has devastated high-Andean frog communities throughout the region, represents an additional and serious concern for a species already confined to such a narrow ecological niche.

Conservation attention for Microkayla kallawaya remains limited, but its formal description and IUCN assessment have helped draw scientific focus to the broader crisis facing Bolivia's high-altitude amphibians, many of which remain poorly studied. Encouragingly, increased herpetological survey efforts in the Bolivian Andes over the past decade have improved understanding of montane frog diversity and are helping identify priority sites for habitat protection. Continued taxonomic and ecological research, paired with habitat safeguards in its native range, offers a meaningful path toward securing the species' long-term survival.

Microkayla kallawaya faces severe threats from habitat destruction due to agricultural expansion and urban development in its limited Bolivian range. The species' extremely restricted distribution makes it particularly vulnerable to localized environmental changes, while collection pressure for the illegal pet trade has further reduced wild populations. Climate change poses an additional threat through altered precipitation patterns affecting the humid microhabitats this species requires.

Threat summary

Habitat

This species inhabits humid montane forests and cloud forest edges in the Bolivian Andes, typically found in moss-covered areas with high moisture retention. It requires specific microhabitat conditions including stable humidity levels and dense vegetation cover at elevations between 2,000-3,500 meters.

Wetlands (inland) - Permanent rivers/streams· major

Conservation measures underway

Species recovery

Frequently asked questions

Why is Microkayla kallawaya classified as Critically Endangered?
Microkayla kallawaya is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Microkayla kallawaya faces severe threats from habitat destruction due to agricultural expansion and urban development in its limited Bolivian range. The species' extremely restricted distribution makes it particularly vulnerable to localized environmental changes, while collection pressure for the illegal pet trade has further reduced wild populations. Climate change poses an additional threat through altered precipitation patterns affecting the humid microhabitats this species requires.
Where does Microkayla kallawaya live?
Microkayla kallawaya occurs in Bolivia. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Microkayla kallawaya?
The main threats to Microkayla kallawaya are 11.1, 2.1, ai-1, and ai-2. The full IUCN-classified threat record for this species is detailed on the species page.

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