Hi,
The Wikipeda in the Livvi-Karelian language has been pretty active in the incubator. After noticing it, I sent a request to an expert I found:
Tatyana Pashkova,
candidate of sciences in the
Petrozavodsk State University, specializing in Karelian languages. This was back in July, and today she finally replied and said that the language is indeed Livvi-Karelian (see the forwarded email conversation in Russian below).
Уважаемый Амир!!!! Все статьи, на которые Вы мне отправили ссылки, написаны на ливвиковском наречии карельского языка. Я это подтверждаю. С уважением, Пашкова
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Татьяна Пашкова