The Pagan reed warbler (''Acrocephalus yamashinae'') was sometimes considered a subspecies of the

nightingale reed warbler The nightingale reed warbler (''Acrocephalus luscinius''), or Guam reed-warbler, was a songbird endemic to Guam. It has not been seen since 1969. Taxonomy and systematics The nightingale reed warbler was described by the French zoologists ...

. It originally occurred on

Pagan Island Pagan is a volcanic island in the Marianas archipelago in the northwest Pacific Ocean, under the jurisdiction of the Commonwealth of the Northern Mariana Islands. It lies midway between Alamagan to the south, and Agrihan to the north. The islan ...

and "was extinct by the late 1970s". More precisely, in the 1970s, the 1980s, in 2000 and in 2010, the bird could not be found and is therefore presumed to be extinct.

References

Pagan reed warbler Birds of the Northern Mariana Islands Extinct birds of Oceania Bird extinctions since 1500 Pagan reed warbler {{Acrocephalidae-stub