Variable Climates Lead to Varying Phenotypes: “Weird” Mammalian Torpor and Lessons From Non-Holarctic Species by Julia Nowack, Julia Nowack, Danielle L. Levesque, Stephanie Reher, Kathrin H. Dausmann

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Heterothermy in a Small Passerine: Eastern Yellow Robins Use Nocturnal Torpor in Winter by Yaara Aharon-Rotman, John F. McEvoy, Christa Beckmann, Christa Beckmann, Christa Beckmann, Fritz Geiser

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Heart rate reveals torpor at high body temperatures in lowland tropical free-tailed bats by M. Teague O'Mara, Sebastian Rikker, Martin Wikelski, Andries Ter Maat, Henry S. Pollock, Dina K. N. Dechmann

Subjects: “…heterothermy…”
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Body Temperature and Activity Rhythms Under Different Photoperiods in High Arctic Svalbard ptarmigan (Lagopus muta hyperborea) by Daniel Appenroth, Andreas Nord, Andreas Nord, David G. Hazlerigg, Gabriela C. Wagner, Gabriela C. Wagner

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Editorial: Torpor and hibernation: metabolic and physiological paradigms by Sylvain Giroud, Yoshifumi Yamaguchi, Yoshifumi Yamaguchi, Jeremy Terrien, Robert H. Henning

Subjects: “…heterothermy…”
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Editorial: Coping With Environmental Fluctuations: Ecological and Evolutionary Perspectives by Sylvain Giroud, Andreas Nord, Kenneth B. Storey, Julia Nowack

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Effects of reproduction and environmental factors on body temperature and activity patterns of wolverines by Alexandra Thiel, Alina L. Evans, Boris Fuchs, Jon M. Arnemo, Malin Aronsson, Jens Persson

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Seasonal Expression of Avian and Mammalian Daily Torpor and Hibernation: Not a Simple Summer-Winter Affair† by Fritz Geiser

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Mating in the cold. Prolonged sperm storage provides opportunities for forced copulation by male bats during winter by Takahiro Sato, Takahiro Sato, Toshie Sugiyama, Tsuneo Sekijima

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Body Temperature Frequency Distributions: A Tool for Assessing Thermal Performance in Endotherms? by D.L. Levesque, J. Nowack, J.G. Boyles

Subjects: “…heterothermy…”
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Increased Diurnal Activity Is Indicative of Energy Deficit in a Nocturnal Mammal, the Aardvark by Nora Marie Weyer, Andrea Fuller, Andrea Fuller, Anna Jean Haw, Anna Jean Haw, Leith Carl Rodney Meyer, Leith Carl Rodney Meyer, Duncan Mitchell, Mike Picker, Benjamin Rey, Benjamin Rey, Robyn Sheila Hetem, Robyn Sheila Hetem

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Avian Reproduction in a Warming World by Fredrik Andreasson, Jan-Åke Nilsson, Andreas Nord

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Heterothermy use in winter is associated with reduced litter size during following breeding season by Jan S. Boratyński, Karolina Iwińska, Karol Zub

Subjects: “…heterothermy…”
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Lifelong Effects of Thermal Challenges During Development in Birds and Mammals by Andreas Nord, Sylvain Giroud

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Precocious Torpor in an Altricial Mammal and the Functional Implications of Heterothermy During Development by Fritz Geiser, Fritz Geiser, Jing Wen, Gansukh Sukhchuluun, Gansukh Sukhchuluun, Qing-Sheng Chi, De-Hua Wang, De-Hua Wang

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REM Sleep and Endothermy: Potential Sites and Mechanism of a Reciprocal Interference by Matteo Cerri, Marco Luppi, Domenico Tupone, Giovanni Zamboni, Roberto Amici

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