... are responsible for allometric changes in bite force and durophagy, we developed and experimentally tested a static model of bite-force generation throughout development in the durophagous turtle Sternotherus minor . Moreover, we quantified the fracture properties of snails found in the diet to evaluate...

... in chemoreflex sensitivity. Turtles were exposed to natural environmental conditions over a one year period. In each season, oxygen consumption, ventilation and breathing pattern were measured continuously for 24 h while turtles were breathing air and for 24 h while they were breathing a hypoxic–hypercapnic gas...

...G. V. Lauder; T. Prendergast ABSTRACT The kinematics of feeding on two prey types is studied quantitatively in the common snapping turtle, Chelydra serpentina , to provide a description of prey capture mechanisms and to determine whether kinematic patterns can be altered in response to prey...

...G. C. Packard; M. J. Packard ABSTRACT We performed two experiments to determine (1) whether the metabolism and growth of embryonic snapping turtles ( Chelydra serpentina ) incubating in wet and dry environments are correlated inversely with the concentration of urea inside their eggs, and (2...

...Kirk Miller; Gary C. Packard; Mary J. Packard ABSTRACT Locomotor performance of hatchling snapping turtles (Chelydra serpentina) was assessed while turtles were running on land and swimming in water. Hatchlings from eggs incubated on a relatively wet substrate were faster than hatchlings from eggs...

...M. L. Glass; R. G. Boutilier; N. Heisler ABSTRACT Freshwater turtles ( Chrysemys picta bellii Gray) were acclimated to temperatures of 5, 10, 20 and 30°C for at least 12 days, and pulmonary ventilation, oxygen uptake and arterial pH, and were determined in completely unrestrained specimens. Oxygen...

...Gary C. Packard; Mary J. Packard; Thomas J. Boardman ABSTRACT Flexible-shelled eggs of common snapping turtles were incubated on wet and dry substrates. More than 70 % of the waste nitrogen accumulating in eggs on both substrates was in the form of urea, and less than 25 % was in the form...