St Helena Cuckoo
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| St Helena Cuckoo | ||||||||||||||||
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| Nannococcyx psix Olson (1975) |
The St Helena Cuckoo (Nannococcyx psix) is an extinct bird. It was confirmed to have previously existed by a single humerus. Compared to other cuckoos, it was relatively small, and it probably lived in forests on the island of St Helena. Its extinction was a result of deforestation on the island in the 18th century.

