| Meaning | A small active songbird. |
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| Narrower | New World warbler, wood warbler | small bright-colored American songbird with a weak unmusical song |
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| Old World warbler, true warbler | small active brownish or greyish Old World birds |
| gnatcatcher | Very small North American and South American warblers |
| greater whitethroat, whitethroat, Sylvia communis | Greyish-brown Old World warbler with a white throat and underparts |
| kinglet | small birds resembling warblers but having some of the habits of titmice |
| lesser whitethroat, whitethroat, Sylvia curruca | Old World warbler similar to the greater whitethroat but smaller |
| Broader | oscine, oscine bird | passerine bird having specialized vocal apparatus |
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| Spanish | mosquitero |
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| Catalan | bosquerola, mosquiter |
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