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The bear circadian clock doesn't 'sleep' during winter dormancy.
Jansen HT, Leise T, Stenhouse G, Pigeon K, Kasworm W, Teisberg J, Radandt T, Dallmann R, Brown S, Robbins CT. Jansen HT, et al. Front Zool. 2016 Sep 17;13:42. doi: 10.1186/s12983-016-0173-x. eCollection 2016. Front Zool. 2016. PMID: 27660641 Free PMC article.
Habitat degradation affects the summer activity of polar bears.
Ware JV, Rode KD, Bromaghin JF, Douglas DC, Wilson RR, Regehr EV, Amstrup SC, Durner GM, Pagano AM, Olson J, Robbins CT, Jansen HT. Ware JV, et al. Among authors: jansen ht. Oecologia. 2017 May;184(1):87-99. doi: 10.1007/s00442-017-3839-y. Epub 2017 Feb 28. Oecologia. 2017. PMID: 28247129
86 results