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| Slaty-bellied Tesia Tesia olivea chiangmaiensis
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| Photographer : | © Đinh Sỹ Thịnh - Tim |
| Location : | Phia Oac - Phia Den National Park, Cao Bang Province, Vietnam |
| Date : |
2 December 2020 |
| English synonyms: | Bright Slaty-bellied Tesia, Bright Tesia, Olive Ground-Warbler, Slaty bellied Tesia, Slaty-bellied Ground Warbler, Slaty-bellied Ground-Warbler |
| Bird Family : | Acrocephalinae - Tesias, Stubtails, Warblers & Tailorbirds |
| Bird Group : | PASSERIFORMES |
| Red Data Status : | Least Concern |
| Remarks : | |
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