Large Tree Finch
VU

Large Tree Finch

Camarhynchus psittacula

Unknown

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

Overview

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

The Large Tree Finch faces severe pressure from introduced parasites, particularly the avian vampire fly Philornis downsi, whose larvae infest nestlings and cause high mortality rates. Habitat degradation from invasive plant species like blackberry and guava has altered the native Scalesia forest structure, reducing suitable nesting sites and food availability. Climate change poses an additional threat by shifting vegetation zones upward, potentially reducing the highland forest habitat this species depends upon.

Threat summary

Habitat

The Large Tree Finch inhabits humid highland forests dominated by native Scalesia trees on the Galápagos Islands, typically found at elevations between 200-700 meters. It prefers dense canopy areas with abundant epiphytes and native vegetation that provide both nesting sites and insect prey.

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Frequently asked questions

Why is Large Tree Finch classified as Vulnerable?
Large Tree Finch is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. The Large Tree Finch faces severe pressure from introduced parasites, particularly the avian vampire fly Philornis downsi, whose larvae infest nestlings and cause high mortality rates. Habitat degradation from invasive plant species like blackberry and guava has altered the native Scalesia forest structure, reducing suitable nesting sites and food availability. Climate change poses an additional threat by shifting vegetation zones upward, potentially reducing the highland forest habitat this species depends upon.
Where does Large Tree Finch live?
Large 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 Large Tree Finch?
The main threats to Large 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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