semper's warbler

  1. birdsandbats

    Solving ornithology's greatest mysteries

    Many birds have been described from one specimen and never seen again. Are they valid species? If they are, is it too late to save them?: Solving the world’s great bird mysteries
    • birdsandbats
    • Thread
    • anjouan scops-owl blue-wattled bulbul bogota sunangel icterine greenbull jerdon's courser manda boubou nechisar nightjar semper's warbler tachira antpitta white-throated oxylabes
    • Replies: 1
    • Forum: Wildlife & Nature Conservation
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