... Can.   31 , 1139 - 1141 . 10.1139/f74-130 Gleiss , A. C. , Dale , J. J. , Holland , K. N. and Wilson , R. P. ( 2010 ). Accelerating estimates of activity-specific metabolic rate in fishes: testing the applicability of acceleration data-loggers . J. Exp. Mar. Biol. Ecol...

...Katsufumi Sato To investigate the thermal characteristics of large reptiles living in water, temperature data were continuously recorded from 16 free-ranging loggerhead turtles, Caretta caretta , during internesting periods using data loggers. Core body temperatures were 0.7–1.7°C higher than...

... by translocating three seals and recording their heading direction continuously using GPS, and acceleration and geomagnetic data loggers while they returned to the colony. The seals first reached the coast and then proceeded to the colony by swimming along the coast. While underwater the animals exhibited...

... data logger flight speed GPS tracking power curve * Author for correspondence ( watanabe.yuuki@nipr.ac.jp ) 7 10 2010 Air and water have drastically different physical properties, and hence animals capable of moving in both media are expected to face evolutionary trade-offs...

... 2008 2008 acceleration data logger flight foraging seabird Phalacrocorax aristotelis Since the deployment of the first time-depth recorder on a Weddell seal( Leptonychotes weddellii ) in 1963, animal-borne loggers have become increasingly sophisticated and it is now possible...

...-density lipid and higher-density lean tissue) varies individually and seasonally,their buoyancy also fluctuates widely, and individuals would be expected to adjust their stroke patterns during dives accordingly. To test this prediction, we attached acceleration data loggers to four free-ranging Baikal...

.... To understand how poorly insulated diving endotherms survive the Arctic winter, we performed year-round recordings of heart rate,dive depth and abdominal temperature in male great cormorants using miniature data loggers. We also examined the body composition of individuals in the spring. Abdominal temperatures...

... ice holes. Data loggers were deployed on the penguins to monitor under water behavior. Nine instrumented penguins performed 386 leaps from the holes during experiments. The maximum swim speeds within 1 s before the exits through the holes correlated significantly with the above-water height...

... foraging. However, empirical data indicate that the body angles of some diving animals are rarely vertical during descent and ascent. Why do they choose shallower body angles that result in longer descent and ascent durations? To investigate this question, we attached acceleration data loggers to eight...

...Katsufumi Sato; Y. Naito; A. Kato; Y. Niizuma; Y. Watanuki; J. B. Charrassin; C.-A. Bost; Y. Handrich; Y. Le Maho SUMMARY Using a newly developed data logger to measure acceleration, we demonstrate that free-ranging king and Adélie penguins only beat their flippers substantially during the first...

... tanks fell into this category. Submergence and emergence times were determined from the record of the data logger’s submergence sensor. Cardiac interbeat intervals were derived from the ECG trace after identifying the QRS peaks by eye. A mean value for the interbeat intervals of each dive was calculated...