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| Slender-billed Nightingale Thrush; black-billed nightingale-thrush Catharus gracilirostris; slender-billed nightingale-thrush Catharus gracilirostris | |||
| black-billed nightingale thrush (Catharus gracilirostris) | |||
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| Slender-billed Nightingale Thrush; black-billed nightingale-thrush Catharus gracilirostris; slender-billed nightingale-thrush Catharus gracilirostris | |||
| black-billed nightingale thrush (Catharus gracilirostris) | |||