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Lyson, T. R. et al. Origin of the unique ventilatory apparatus of turtles. Nat. Commun. 5(5211), 111. https://doi.org/10.1038/ncomms6211 (2014).

CAS Article Google Scholar

Gans, C. & Hughes, G. The mechanism of lung ventilation in the tortoise Testudo graeca Linn. J. Exp. Biol. 47(1), 120 (1967).

CAS Article PubMed Google Scholar

Jackson, D. C., Singer, J. H. & Downey, P. T. Oxidative cost of breathing in the turtle Chrysemys picta bellii. Am. J. Physiol. 261, R1325R1328 (1991).

CAS PubMed Google Scholar

Landberg, T., Mailhot, J. D. & Brainerd, E. L. Lung ventilation during treadmill locomotion in a semi-aquatic turtle, Trachemys scripta. J. Exp. Zool. 311A, 551562. https://doi.org/10.1002/jez.478 (2009).

Article Google Scholar

Ruhr, I., Rose, K., Sellers, W., Crossley, D. II. & Codd, J. Turning turtle: Scaling relationships and self-righting ability in Chelydra serpentina. Proc. R. Soc. B. 288, 20210213. https://doi.org/10.1098/rspb.2021.0213 (2021).

Article PubMed PubMed Central Google Scholar

Pritchard, P. C. H. Encyclopaedia of Turtles (TFH, 1979).

Google Scholar

Carr, A. Handbook of Turtles: The Turtles of the United States, Canada, and Baja California (Cornell University Press, 1952).

Google Scholar

Rivera, G. Ecomorphological variation in shell shape of the freshwater turtle Pseudemys concinna inhabiting different aquatic flow regimes. Int. Comp. Biol. 48(6), 769787. https://doi.org/10.1093/icb/icn088 (2008).

Article Google Scholar

McNeill Alexander, R. Gaits of mammals and turtles. J. R. Soc. Jpn. 11(3), 314319 (1993).

Article Google Scholar

Zani, P. A. & Kram, R. Low metabolic cost of locomotion in ornate box turtles, Terrapene ornate. J. Exp. Biol. 211, 36713676. https://doi.org/10.1242/jeb.019869 (2008).

Article PubMed Google Scholar

Sellers, W. I., Rose, K. A. R., Crossley, D. A. II. & Codd, J. R. Inferring cost of transport from whole-body kinematics in three sympatric turtle species with different locomotor habits. Comp. Biochem. Physiol. A. 247, 110739. https://doi.org/10.1016/j.cbpa.2020.110739 (2020).

CAS Article Google Scholar

Chiari, Y., van der Meijden, A., Caccone, A., Claude, J. & Gilles, B. Self-righting potential and the evolution of shell shape in Galpagos tortoises. Sci. Rep. 7(1), 18. https://doi.org/10.1038/s41598-017-15787-7 (2017).

CAS Article Google Scholar

Woledge, R. C. The energetics of tortoise muscle. J. Physiol. 197(3), 685707 (1968).

CAS Article PubMed PubMed Central Google Scholar

Steyermark, A. C. & Spotila, J. R. Body temperature and maternal identity affect snapping turtle (Chelydra serpentina) righting response. Copeia 4, 10501057. https://doi.org/10.1643/0045-8511(2001)001%5B1050:BTAMIA%5D2.0.CO;2 (2001).

Article Google Scholar

Rubin, A. M., Blob, R. W. & Mayerl, C. J. Biomechanical factors influencing successful self-righting in the Pleurodire turtle, Emydura subglobosa. J. Exp. Biol. 221, jeb182642. https://doi.org/10.1242/jeb.182642 (2018).

Article PubMed Google Scholar

Penn, D. & Brockmann, H. J. Age-biased stranding and righting in male horseshoe crabs, Limulus polyphemus. Anim. Behav. 49, 15311539. https://doi.org/10.1016/003-3472(95)90074-8 (1995).

Article Google Scholar

Bonnet, X. et al. Sexual dimorphism in steppe tortoises (Testudo horsfieldii): Influence of the environment and sexual selection on body shape and mobility. Biol. J. Linn. Soc. 72, 357372. https://doi.org/10.1006/bjls.2000.0504 (2001).

Article Google Scholar

Zuffi, M. A. L. & Corti, C. Aspects of population ecology of Testudo hermanni hermanni from Asinara Island, NW Sardinia (Italy, Western Mediterranean Sea): Preliminary data. Amphib-Reptil. 24, 441447 (2003).

Article Google Scholar

Domokos, G. & Vrkonyi, P. L. Geometry and self-righting of turtles. Proc. R. Soc. B. 275(1630), 1117. https://doi.org/10.1098/rspb.2007.1188 (2008).

Article PubMed Google Scholar

Mann, G. K. H., ORiain, M. J. & Hofmeyr, M. D. Shaping up to fight: Sexual selection influences body shape and size in the fighting tortoise (Chersina angulata). J. Zool. 269, 373379. https://doi.org/10.1111/j.1469-7998.2006.00079x (2006).

Article Google Scholar

Golubovi, A., Bonnet, X., Djordjevi, S., Djurakic, M. & Tomovi, L. Variations in righting behavior across Hermanns tortoise populations. J. Zool. 291, 6975. https://doi.org/10.1111/jzo.12047 (2013).

Article Google Scholar

Golubovi, A., Andelkovic, M., Arsovski, D., Bonnet, X. & Tomovi, L. Locomotor performances reflect habitat constraints in an armoured species. Behav. Ecol. Sociobiol. 71, 93. https://doi.org/10.1007/s00265-017-2318-0 (2017).

Article Google Scholar

Ashe, V. M. The righting reflex in turtles: A description and comparison. Psychol. Sci. 20, 150152. https://doi.org/10.3758/BF03335647 (1970).

Article Google Scholar

Golubovi, A., Tomovi, L. & Ivanovi, A. Geometry of self-righting: The case of Hermanns tortoises. Zool. Anz. 254, 99105. https://doi.org/10.1016/j.jcz.2014.12.003 (2015).

Article Google Scholar

Finkler, M. S. Influence of water availability during hatching on hatchling size, body composition, desiccation tolerance, and terrestrial locomotor performance in the snapping turtle, Chelydra serpentina. Physiol. Biochem. Zool. 72, 714722. https://doi.org/10.1086/316711 (1999).

CAS Article PubMed Google Scholar

Stojadinovi, D., Miloevi, D. & Crnobrnja-Isailovi, J. Righting time versus shell size and shape dimorphism in adult Hermanns tortoises: Field observations meet theoretical predictions. Anim. Biol. 63(4), 381396. https://doi.org/10.1163/15707563-00002420 (2013).

Article Google Scholar

Delmas, V., Baudry, E., Girondot, M. & Prevot-Julliard, A.-C. The righting reflex as a fitness indicator in freshwater turtles. Biol. J. Linn. Soc. 91, 99109. https://doi.org/10.1111/j.1095-8312/2007.00780.x (2007).

Article Google Scholar

Burger, J. Behavior of hatchling diamondback terrapins (Malaclemys terrapin) in the field. Copeia 1976, 742. https://doi.org/10.2307/1443457 (1976).

Article Google Scholar

Landberg, T., Mailhot, J. D. & Brainerd, E. L. Lung ventilation during treadmill locomotion in a terrestrial turtle, Terrapene carolina. J. Exp. Biol. 206, 33913404. https://doi.org/10.1242/jeb.00553 (2003).

Article PubMed Google Scholar

Gaunt, A. S. & Gans, C. Mechanics of respiration in the snapping turtle, Chelydra serpentina (Linn). J. Morph. 128, 195227. https://doi.org/10.1002/jmor.1051280205 (1969).

Article Google Scholar

Lambertz, M., Bhme, W. & Perry, S. F. The anatomy of the respiratory system in Platysternon megacephalum Gray, 1831 (Testudines: Crytodira) and related species, and its phylogenetic implications. Comp. Biochem. Physiol. 156, 330336. https://doi.org/10.1016/j.cbpa.2009.12.016 (2010).

CAS Article Google Scholar

de Souza, R. B. B. & Klein, W. The influence of the post-pulmonary septum and submersion on the pulmonary mechanics of Trachemys scripta (Cryptodira: Emydidae). J. Exp. Biol. 224(12), 242386. https://doi.org/10.1242/jeb.242386 (2021).

Article Google Scholar

Jodice, P. G. R., Epperson, D. M. & Visser, G. H. Daily energy expenditure in free-ranging gopher tortoises (Gopherus polyphemus). Copeia 2006(1), 129136. https://doi.org/10.1643/0045-8511(2006)006%5B0129:DEEIFG%5D2.0.CO;2 (2006).

Article Google Scholar

Zera, A. J. & Harshman, L. G. The physiology of life history trade-offs in animals. Ann. Rev. Ecol. Syst. 32, 95126. https://doi.org/10.1146/annurev.ecolsys.32.081501.114006 (2001).

Article Google Scholar

Shadmehr, R., Huang, H. J. & Ahmed, A. A. A representation of effort in decision-making and motor control. Curr. Biol. 26, 19291934. https://doi.org/10.1016/j.cub.2016.05.065 (2016).

CAS Article PubMed PubMed Central Google Scholar

Shepard, E. L. C. et al. Energy landscapes shapes animal movement ecology. Am. Nat. 182(3), 298312. https://doi.org/10.1086/671257 (2013).

Article PubMed Google Scholar

Baudinette, R. V., Miller, A. M. & Sarre, M. P. Aquatic and terrestrial locomotory energetics in a toad and a turtle: A search for generalisations among ectotherms. Physiol. Biochem. Zool. 73(6), 672682. https://doi.org/10.1086/318101 (2000).

CAS Article PubMed Google Scholar

Hailey, A. & Coulson, I. M. Measurement of time budgets from continuous observation of thread-trailed tortoises (Kinixys spekii). Herp. J. 9, 1520 (1999).

Google Scholar

Kram, R. & Taylor, C. R. Energetics of running: A new perspective. Nature 346, 265267. https://doi.org/10.1038/346265a0 (1990).

CAS Article ADS PubMed Google Scholar

Taylor, C. R. Relating mechanics and energetics during exercise. Adv. Vet. Sci. Comp. Med. 38A, 181215 (1994).

CAS PubMed Google Scholar

Cavagna, G. A. & Kaneko, M. Mechanical work and efficiency in level walking and running. J. Physiol. 268(2), 467481. https://doi.org/10.1113/jphysiol.1977.sp011866 (1977).

CAS Article PubMed PubMed Central Google Scholar

Carrier, D. R., Deban, S. M. & Fischbein, T. Locomotor function of the pectoral girdle muscular sling in trotting dogs. J. Exp. Biol. 209, 22242237. https://doi.org/10.1242/jeb.02236 (2006).

Article PubMed Google Scholar

Heglund, N. C. & Cavagna, G. A. Efficiency of vertebrate locomotory muscles. J. Exp. Biol. 115, 283292. https://doi.org/10.1242/jeb.115.1.283 (1985).

CAS Article PubMed Google Scholar

Barclay, C. J. The basis of difference in thermodynamic efficiency among skeletal muscles. Clin. Exp. Pharm. Physiol. 44(12), 12791286. https://doi.org/10.1111/1440-1681.12850 (2017).

MathSciNet CAS Article Google Scholar

Nwoye, L. O. & Goldspink, G. Biochemical efficiency and intrinsic shortening speed in selected fast and slow muscles. Experientia 37, 856857. https://doi.org/10.1007/BF1985678 (1981).

CAS Article PubMed Google Scholar

Lambert, M. Temperature, activity and field sighting in the Mediterranean spur-thighed or common garden tortoise Testudo graeca. Biol. Conserv. 21, 3954. https://doi.org/10.1016/0006-3207(81)90067-7 (1981).

Article Google Scholar

Tracy, R., Zimmerman, L., Tracy, C., Bradley, K. & Castle, K. Rates of food passage in the digestive tract of young desert tortoises: Effects of body size and diet quality. Chelonian Conserv. Biol. 5(2), 269273. https://doi.org/10.2744/1071-8443(2006)5%5B269:ROFPIT%5D2.0.co;2 (2006).

Article Google Scholar

Huey, R. & Kingsolver, J. Evolution of thermal sensitivity of ectotherm performance. Trends Ecol. Evol. 4(5), 131135. https://doi.org/10.1016/0169-5347(89)90211-5 (1989).

CAS Article PubMed Google Scholar

Lailvaux, S. & Irschick, D. Effects of temperature and sex on jump performance and biomechanics in the lizard Anolis carolinensis. Funct. Ecol. 21(3), 534543. https://doi.org/10.1111/j.1365-2435.2007.01263.x (2007).

Article Google Scholar

Lighton, J. Measuring Metabolic Rates: A Manual for Scientists (Oxford University Press, 2008).

Book Google Scholar

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The metabolic cost of turning right side up in the Mediterranean spur-thighed tortoise (Testudo graeca) | Scientific Reports - Nature.com