Rollinson, N. A simple explanation for the evolution and maintenance of temperature-dependent sex determination. Authorea

in Press




Lacroix C, Schueler FW, Rollinson N. 2023. A 91% decline in a common anuran in an otherwise stable amphibian community inferred from 17 years of rapid road surveys Animal Conservation 10.1111/acv.12874


Leivesley, J, Nancekivell G, Brooks RJ, Litzgus JD, Rollinson N. 2022. Long-term resilience of primary sex ratios in a species with temperature-dependent sex determination after decades of climate warming. The American Naturalist

Lacroix C, Davy CM, Rollinson N. 2022 Hatchling vocalisations and beneficial social interactions in subterranean nests of a widespread reptile. Animal Behavior 87 (2022): 233-244

Moldowan, P., Tattersall, G., Rollinson, N. 2022. Climate-associated decline of body condition in a fossorial salamander. Global Change Biology 28: 1725-1739

Kell  S.J, Rollinson N, Brooks R.J, Litzgus JD.  2022. Nesting in close quarters: Causes and benefits of high-density nesting behaviour in Painted Turtles. Canadian Journal of Zoology 100:208-218


Lawson L., Rollinson N. 2021. A simple model for the evolution of temperature-dependent sex determination explains the temperature sensitivity of embryonic stress in imperiled reptiles. Conservation Physiology 9: coab020 PDF

Taylor E. , Diele‐Viegas L., Gangloff E., Hall J., Halpern B., Massey M., Rödder D., Rollinson N., Spears S.,  Sun B-J., Telemeco, R.S. 2021. The thermal ecology and physiology of reptiles and amphibians: A user’s guide. Journal of Experimental Zoology. 335: 13-44 PDF

De Lisle S.P., Punzalan D., Rollinson N., Rowe L. 2021. Extinction and the temporal distribution of macroevolutionary bursts. Journal of Evolutionary Biology. 34: 380-390 PDF

Leivesley, J.A.,  Rollinson, N. 2021. Maternal provisioning and fluctuating thermal regimes enhance immune response in a reptile with temperature-dependent sex determination. Journal of Experimental Biology, 224, jeb237016.


Burton T., Rollinson N., Stewart D., Armstrong J., Metcalfe, N. 2020. Adaptive maternal investment in the wild? Links between maternal growth trajectory and offspring size, growth and survival in contrasting environments. The American Naturalist 195: 678-690. PDF

Connoy JWH , Leivesley JA, Brooks RJ , Litzgus J, Rollinson N. 2020. Body size of ectotherms constrains thermal requirements for reproductive activity in seasonal environments. Canadian Journal of Zoology  98 (10), 651-659. PDF

Terebiznik M, Moldowan P., Lacroix C., Connoy JWH , Leivesley JA, Rollinson N. 2020. Hatchling turtles ingest natural and artificial incubation substrates at high frequency. Behavioral Ecology and Sociobiology 74 (11), 1-12. PDF


Rollinson N., Massey M., Meron M., Leivesley, J. 2019. A low cost, efficient, and precise technique to quantify key life cycle events in nests of oviparous reptiles. Journal of Herpetology 53: 302-309. PDF 

Massey M. Congdon J.C., Davy C., Rollinson N. 2019. First evidence of metabolic heating in a freshwater turtle, the snapping turtle. Chelonian Biology and Conservation 18: 145-152. PDF

Hawkshaw D.M., Moldowan P.D., Litzgus J.D., Brooks R.J., Rollinson N. 2019. Discovery and description of a novel sexual weapon in the world’s most widely-studied freshwater turtle. Evolutionary Ecology 33: 889-900. PDF

Rollinson N., Nilsson-Örtman V., Rowe, L. 2019. Density-dependent offspring interactions do not explain macroevolutionary scaling of adult size and size and independence. Evolution 73: 2162-2174. PDF

Moldowan P.D.*, Smith M.*, Baldwin A., Bartley T., Rollinson N., Wynen H. 2019. Nature’s pitfall trap: Salamanders as rich prey for carnivorous plants in a nutrient-poor northern bog ecosystem. Ecology 100:e02770. PDF
*Author contribution was equal

Francis E.A., Moldowan P.D., Greischar M.A., Rollinson N. 2019. Anthropogenic nest sites provide warmer incubation environments than natural nest sites in a population of oviparous reptiles near their northern range limit. Oecologia 190: 511-522. PDF

Rouleau C.*, Massey M.D. *, Rollinson N. 2019. Temperature does not affect hatch timing in snapping turtles (Chelydra serpentina). Journal of Herpetology 53: 165-169. PDF
*Author contribution was equal

Massey M., Nancekivell G., Brooks R., Rollinson N. 2019. Measurement and modelling of primary sex ratios in species with temperature dependent sex determination. Journal of Experimental Biology jeb.190215. PDF


Santilli J., Rollinson N. 2018. Toward a general explanation for latitudinal clines in body size among chelonians. Biological Journal of the Linnean Society 124:381-393. PDF

Rollinson N., Rowe L. 2018. Temperature-dependent oxygen limitation and the rise of Bergmann’s Rule in species with aquatic respiration. Evolution 72: 977–988. PDF 

Rollinson N., Rowe L. 2018. Oxygen limitation at the larval stage and the evolution of maternal investment per offspring in aquatic environments. The American Naturalist 191: 604–619. PDF

Rollinson N*., Holt S*., Massey M. Holt R., Nancekivell G., Brooks R.J. 2018. A new method of estimating thermal performance of embryonic development rate yields accurate prediction of embryonic age in wild reptile nests. Journal of Thermal Biology 74:187-194. PDF.
*Author contribution was equal

Armstrong D., Keevil M., Rollinson N., Brooks R.J., 2018. Subtle variation in indeterminate growth leads to major variation in survival and lifetime reproductive output in a long-lived reptile. Functional Ecology 32:752-761. PDF 


Edge C.B.*, Rollinson N.*, Brooks R.J., Congdon J., Iverson J., Janzen F., Litzgus J.  2017. Phenotypic plasticity of nest timing in a post-glacial landscape: how do long-lived reptiles adapt to thermal time constraints?  Ecology 98: 512-524. PDF 
*Author contribution was equal


Rollinson N., Rowe L. 2016. The positive correlation between maternal size and offspring size: fitting pieces of a life-history puzzle. Biological Reviews 91: 1134-1148. PDF


Rollinson N., Rowe L. 2015. Persistent directional selection on body size and a resolution to the paradox of stasis.  Evolution 69: 2441-2451. PDF

Rollinson N., Hackett D. 2015. Experimental assessment of agonistic behavior, chemical communication, spacing, and intersexual associations of the red-backed salamanders near its northern range limit. Canadian Journal of Zoology 93: 773-781. PDF


Rollinson N*., Keith D.A.*, Debes P.V., Houde A.L.S., McBride M., Hutchings J.A. 2014. Risk assessment of inbreeding and outbreeding depression in a captive breeding program. Conservation Biology 28: 529–540. PDF
*Author contribution was equal


Rollinson N., Hutchings J.A. 2013. Environmental quality predicts optimal egg size in the wild. The American Naturalist 182: 76–90. PDF

Rollinson N.*, Edge C.B.*, Brooks R.J. 2013. Recurrent violations of invariant rules for offspring size: evidence from turtles and the implications for small clutch size models. Oecologia  172: 973–982. PDF
*Author contribution was equal

Stahlschmidt Z.R., Rollinson N., Acker M., Adamo S.A. 2013. Are all eggs created equal? Food availability and the fitness tradeoff between reproduction and immunity. Functional Ecology 27: 800–806. PDF

Rollinson N., Hutchings J.A. 2013. The relationship between offspring size and fitness: integrating theory and empiricism. Ecology 94: 315–324. PDF

Congdon J.D., Gibbons J.W. , Brooks R.J., Rollinson N., Tsaliagos R.N. 2013. Indeterminate growth in long-lived freshwater turtles as a component of individual fitness. Evolutionary Ecology 27: 445–459. PDF


Rollinson N., Farmer R.G., Brooks R.J. 2012. Widespread reproductive variation in North American turtles: temperature, egg size and optimality. Zoology 115: 160-169
*Featured on the cover of Zoology (June 2012). PDF 


Rollinson N., Hutchings J.A. 2011. Body size-specific maternal effects on the offspring environment shape juvenile phenotypes in Atlantic salmon. Oecologia 166: 889-98. PDF

Rollinson N., Hutchings J.A. 2011. Why does egg size of salmonids increase with the mean size of population spawning gravels?  Canadian Journal of Fisheries and Aquatic Sciences 68: 1307-1315. PDF


Rollinson N., Hutchings J.A. 2010. Why does egg size increase with maternal size? Effects of egg size and egg density on offspring phenotypes. Evolutionary Ecology Research 12: 949-960. PDF


Rollinson N., Brooks R.J. 2008. Optimal offspring provisioning when egg size is ‘constrained’: a case study with the painted turtle. Oikos 117: 144-151. PDF

Rollinson N., Brooks R.J. 2008. Sources and significance of among individual reproductive variation in a northern population of painted turtles. Copeia 2008: 533-541. PDF

Rollinson N., Tattersall G.J., Brooks R.J. 2008. Overwintering habitats of a northern population of Painted Turtles (Chrysemys picta): winter temperature selection and dissolved oxygen concentrations. Journal of Herpetology 42: 312-321. PDF

Carrière M.A., Rollinson N., Suley A.N., Brooks R.J. 2008. Thermoregulation when the growing  season is short: sex-biased basking patterns in a northern population of painted turtles. Journal of Herpetology 42: 206-209. PDF


Rollinson N., Brooks R.J. 2007. Marking nests increases the frequency of nest depredation in a northern population of painted turtles. Journal of Herpetology 41: 174-176. PDF

Rollinson N., Brooks R.J. 2007. Proximate constraints on reproductive output in a northern population of painted turtles: an empirical test of the bet-hedging paradigm. Canadian Journal of Zoology 85: 177-184. PDF