Čimpanze imaju naglaske
A new study of more than eleven thousand recorded calls found that young chimpanzees in different parts of Africa sound different, and the gap grows as they age.
Before you read
Before you read
Čimpanze imaju regionalne naglaske. Pošalji ovo svakome tko tvrdi da životinje samo ispuštaju zvukove. Znanstvenici su upravo objavili da mlade čimpanze koje žive u različitim dijelovima Afrike ne zvuče isto, i da se razlika među njima povećava kako životinje odrastaju.
Tim je prošao kroz više od jedanaest tisuća snimljenih poziva mladunčadi i mladih čimpanzi na dva odvojena mjesta, jednom centru za spašavanje u Zambiji, i jednom nacionalnom parku u Tanzaniji. Razvrstali su zvukove na gunđanje, cviljenje i smijeh, a zatim ih izmjerili. Najmlađe životinje zvučale su uglavnom slično gdje god živjele. Starije nisu. Svaka je skupina otklizala prema vlastitom, posebnom načinu gunđanja.
To pomicanje je zanimljiv dio, jer se dugo pretpostavljalo da su pozivi čimpanzi fiksni od rođenja, upisani u životinju umjesto pokupljeni od susjeda. Ako mladi čimpanza umjesto toga upija zvuk skupine oko sebe, onako kako dijete upija samoglasnike svoje ulice, onda bi naglasak mogao biti mnogo starija navika nego što je itko bio spreman priznati.
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