Cissa thalassina
CR

Cissa thalassina

Declining

Photo: Photo: Wikimedia Commons, CC BY-SA

Overview

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

The Javan Green Magpie faces catastrophic population decline primarily due to extensive trapping for the illegal bird trade, where its striking turquoise plumage makes it highly sought after. Habitat destruction through deforestation and agricultural conversion has eliminated much of its lowland forest range across Java. The species has experienced one of the most dramatic declines of any Asian bird, with wild populations now critically fragmented and potentially numbering fewer than 50 individuals.

Threat summary

Habitat

The Javan Green Magpie inhabits lowland and hill forests up to 1,000 meters elevation, preferring dense primary and secondary forests with thick canopy cover. It requires large territories within continuous forest blocks and is particularly associated with areas near water sources and fruit-bearing trees.

Forest· majorForest - Subtropical/tropical moist montane· major

Conservation measures underway

Site/area protectionSpecies recoveryEx-situ conservationAwareness & communicationsCompliance and enforcement

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Frequently asked questions

Why is Cissa thalassina classified as Critically Endangered?
Cissa thalassina 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 Javan Green Magpie faces catastrophic population decline primarily due to extensive trapping for the illegal bird trade, where its striking turquoise plumage makes it highly sought after. Habitat destruction through deforestation and agricultural conversion has eliminated much of its lowland forest range across Java. The species has experienced one of the most dramatic declines of any Asian bird, with wild populations now critically fragmented and potentially numbering fewer than 50 individuals.
Where does Cissa thalassina live?
Cissa thalassina occurs in Indonesia. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Cissa thalassina?
The main threats to Cissa thalassina are 1.1, 2.1, 3.2, and 5.1. The full IUCN-classified threat record for this species is detailed on the species page.

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