Update classes.py

classes.py

@@ -1773,7 +1773,7 @@ SPECIES_GROUP_XCL = ['accentors', 'african and green broadbills', 'african warbl
                      'gulls, terns, and skimmers', 'herons, ibis, and allies', 'hoatzin', 'honeyeaters', 'honeyguides',
                      'hoopoes', 'hornbills', 'hummingbirds', 'hyliotas', 'hylocitrea', 'hypocolius', 'ifrita',
                      'indigobirds', 'ioras', 'jays, magpies, crows, and ravens', 'kagu', 'kingfishers', 'kinglets',
-                     'kiwis', 'larks', 'laughingthrushes and allies', 'laughingthrushes and allies', 'leaf warblers',
+                     'kiwis', 'larks', 'laughingthrushes and allies', 'leaf warblers',
                      'leafbirds', 'leaftossers and miners', 'limpkin', 'logrunners', 'long-tailed tits and bushtit',
                      'longspurs and snow buntings', 'loons', 'lyrebirds', 'malagasy warblers', 'manakins',
                      'martins and swallows', 'megapodes', 'melampittas', 'mesites', 'mitrospingid tanagers',