Adaptations to polar life in mammals and birds

Increased Arctic sea ice volume after anomalously low melting in 2013

(2015) Rachel L. Tilling et al.   Nature Geoscience

Persistence, Entrainment, and Function of Circadian Rhythms in Polar Vertebrates

(2015) Cory T. Williams et al.   PHYSIOLOGY

Ultraviolet Vision May Enhance the Ability of Reindeer to Discriminate Plants in Snow

(2014) N.J.C. Tyler et al.   ARCTIC

Snowshoe hares display limited phenotypic plasticity to mismatch in seasonal camouflage

(2014) M. Zimova et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Latitudinal clines: an evolutionary view on biological rhythms

(2013) R. A. Hut et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Animal activity around the clock with no overt circadian rhythms: patterns, mechanisms and adaptive value

(2013) G. Bloch et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

When the sun never sets: diverse activity rhythms under continuous daylight in free-living arctic-breeding birds

(2013) S. S. Steiger et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Experimental reduction of food quality is not compensated with increased food intake in high-arctic muskoxen (Ovibos moschatus)

(2012) Arnoldus Schytte Blix et al.   BRITISH JOURNAL OF NUTRITION

Hypothesis

(2012) David G. Hazlerigg et al.   JOURNAL OF BIOLOGICAL RHYTHMS

Hibernation and seasonal fasting in bears: the energetic costs and consequences for polar bears

(2012) Charles T. Robbins et al.   JOURNAL OF MAMMALOGY

Regulation of brain temperature in winter-acclimatized reindeer under heat stress

(2011) A. S. Blix et al.   JOURNAL OF EXPERIMENTAL BIOLOGY

Arctic reindeer extend their visual range into the ultraviolet

(2011) C. Hogg et al.   JOURNAL OF EXPERIMENTAL BIOLOGY

Habitat selection, reproduction and predation of wintering lemmings in the Arctic

(2011) David Duchesne et al.   OECOLOGIA

Hibernation in Black Bears: Independence of Metabolic Suppression from Body Temperature

(2011) O. Toien et al.   SCIENCE

A Circadian Clock Is Not Required in an Arctic Mammal

(2010) Weiqun Lu et al.   CURRENT BIOLOGY

Climate change threatens polar bear populations: a stochastic demographic analysis

(2010) Christine M. Hunter et al.   ECOLOGY

Selective brain cooling and its vascular basis in diving seals

(2010) A. S. Blix et al.   JOURNAL OF EXPERIMENTAL BIOLOGY

Has early ice clearance increased predation on breeding birds by polar bears?

(2010) Paul A. Smith et al.   POLAR BIOLOGY

Functional Brown Adipose Tissue in Healthy Adults

(2009) Kirsi A. Virtanen et al.   NEW ENGLAND JOURNAL OF MEDICINE

Identification and Importance of Brown Adipose Tissue in Adult Humans

(2009) Aaron M. Cypess et al.   NEW ENGLAND JOURNAL OF MEDICINE

Ecological Dynamics Across the Arctic Associated with Recent Climate Change

(2009) E. Post et al.   SCIENCE

The effects of wintertime undernutrition on plasma leptin and insulin levels in an arctic ruminant, the reindeer

(2008) Päivi Soppela et al.   COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY B-BIOCHEMISTRY & MOLECULAR BIOLOGY

NONLINEAR EFFECTS OF CLIMATE AND DENSITY IN THE DYNAMICS OF A FLUCTUATING POPULATION OF REINDEER

(2008) Nicholas J. C. Tyler et al.   ECOLOGY

Linking climate change to lemming cycles

(2008) Kyrre L. Kausrud et al.   NATURE

Polar bears (Ursus maritimus), the most evolutionary advanced hibernators, avoid significant bone loss during hibernation

(2007) Alanda R. Lennox et al.   COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR & INTEGRATIVE PHYSIOLOGY

Climate change reduces reproductive success of an Arctic herbivore through trophic mismatch

(2007) E. Post et al.   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES