Medium Tree Finch
CR

Medium Tree Finch

Camarhynchus pauper

Unknown

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Medium_tree_finch

Overview

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

The Medium Tree Finch faces severe threats primarily from invasive parasites, habitat degradation, and extremely limited range. The species is critically endangered due to the devastating impact of the introduced parasitic fly Philornis downsi, which kills nestlings, combined with habitat loss from invasive plant species and human activities on its restricted range in the Galápagos Islands.

Threat summary

Habitat

Endemic to Floreana Island in the Galápagos archipelago, inhabiting humid highland forests and woodland areas with native vegetation including Scalesia trees and other endemic plant species. The species requires dense canopy cover and is restricted to the remaining patches of native forest habitat on the island.

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Frequently asked questions

Why is Medium Tree Finch classified as Critically Endangered?
Medium Tree Finch 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. The Medium Tree Finch faces severe threats primarily from invasive parasites, habitat degradation, and extremely limited range. The species is critically endangered due to the devastating impact of the introduced parasitic fly Philornis downsi, which kills nestlings, combined with habitat loss from invasive plant species and human activities on its restricted range in the Galápagos Islands.
Where does Medium Tree Finch live?
Medium Tree Finch occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Medium Tree Finch?
The main threats to Medium Tree Finch are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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