Hasil Observasi Beruang Kutub

World Wild Life: https://www.worldwildlife.org/species/polar-bear

Ifaw: https://www.ifaw.org/animals/polar-bears

Detik: https://www.detik.com/edu/detikpedia/d-5996034/kenapa-beruang-kutub-tidak-ada-di-kutub-selatan-begini-jawabannya

Wikepedia: https://en-m-wikipedia-org.translate.goog/wiki/Polar_bear?_x_tr_sl=en&_x_tr_tl=id&_x_tr_hl=id&_x_tr_pto=sc

Mongabay: https://www.mongabay.co.id/2021/06/23/mengenal-delapan-spesies-beruang-di-dunia/

Polar Bears Internasional: https://polarbearsinternational.org/polar-bears-changing-arctic/polar-bear-facts/adaptions-characteristics/

Young People’s Trust For The Environment: https://ypte.org.uk/factsheets/polar-bear/polar-bear-habits

Kumparan: https://kumparan.com/ragam-info/mengenal-aktivitas-beruang-sehari-hari-21x8JcuhmAF/full