IUCN Red List Assessment
Red List Category
Red List Criteria
Calvert, R., Butchart, S., Bird, J.
Booth, A., Houston, D., Taylor, G.
This species is classified as Endangered because its population is estimated to have declined very rapidly over the last three generations (45 years), and is it almost certainly still declining. Furthermore, it has a very small breeding range, which many now be restricted to just two locations.
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