CR

Biantes parvulus

Unknown

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Biantes parvulus faces severe population decline due to extensive deforestation and agricultural conversion throughout its limited range in the Atlantic Forest of southeastern Brazil. Mining activities and urban expansion have further fragmented the remaining forest patches, isolating small populations and reducing genetic diversity. The species' specialized habitat requirements make it particularly vulnerable to even minor environmental changes.

Threat summary

Habitat

This species inhabits primary and secondary Atlantic Forest remnants in southeastern Brazil, typically found in humid montane forests between 800-1,500 meters elevation. It requires dense canopy cover and appears to be associated with specific microhabitat conditions within these threatened forest ecosystems.

Forest· major

Other threatened species in BIANTIDAE

EN

Biantes albimanus

Unknown
EN

Biantes minimus

Unknown

Threatened in Seychelles

EN

Acropora mossambica

Declining
EN

Imperturbatia violescens

Stable
EN

Aldabra Fody

Foudia aldabrana

Increasing
CR

Ariadna ustulata

Declining

Frequently asked questions

Why is Biantes parvulus classified as Critically Endangered?
Biantes parvulus 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. Biantes parvulus faces severe population decline due to extensive deforestation and agricultural conversion throughout its limited range in the Atlantic Forest of southeastern Brazil. Mining activities and urban expansion have further fragmented the remaining forest patches, isolating small populations and reducing genetic diversity. The species' specialized habitat requirements make it particularly vulnerable to even minor environmental changes.
Where does Biantes parvulus live?
Biantes parvulus occurs in Seychelles. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Biantes parvulus?
The main threats to Biantes parvulus are 8.1, ai-1, ai-2, and ai-3. The full IUCN-classified threat record for this species is detailed on the species page.

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