P. J. Butler

Changes in dive profiles as an indicator of feeding success in king and Adélie penguins

Charles‐André Bost, Yves Handrich, P. J. Butler et al. · Deep Sea Research Part II Topical Studies in Oceanography · 2007 · 126 citations

Foraging, Engineering, Avian Locomotion +5

Validation of Heart Rate and Doubly Labelled Water as Measures of Metabolic Rate During Swimming in California Sea Lions

Ian L. Boyd, A. J. Woakes, P. J. Butler et al. · Functional Ecology · 1995 · 90 citations

Daily Energy Expenditure of Tufted Ducks: A Comparison Between Indirect Calorimetry, Doubly Labelled Water and Heart Rate

R. M. Bevan, John R. Speakman, P. J. Butler · Functional Ecology · 1995 · 72 citations

Nutrition, Metabolic Rate, Physical Activity +18

Factorial Aerobic Scope Is Independent of Temperature and Primarily Modulated by Heart Rate in Exercising Murray Cod (<i>Maccullochella peelii peelii</i>)

Thomas D. Clark, Travis J. Ryan, Brett A. Ingram et al. · Physiological and Biochemical Zoology · 2005 · 68 citations

Primarily Modulated, Physical Activity, Fitness +20

Behavioural flexibility during year-round foraging in macaroni penguins

IL Boyd, AJ Woakes, NL Warren et al. · Marine Ecology Progress Series · 2005 · 66 citations · Full text