Published in Philos Trans R Soc Lond B Biol Sci on November 29, 2007
Environmental constraints upon locomotion and predator-prey interactions in aquatic organisms: an introduction. Philos Trans R Soc Lond B Biol Sci (2007) 0.94
Costs of diving by wing and foot propulsion in a sea duck, the white-winged scoter. J Comp Physiol B (2007) 0.83
Drag-based 'hovering' in ducks: the hydrodynamics and energetic cost of bottom feeding. PLoS One (2010) 0.75
Thermoregulation in endotherms: physiological principles and ecological consequences. J Comp Physiol B (2015) 0.75
Bird Flight Performance. A Practical Calculation Manual. C. J. Pennycuick. Oxford University Press, New York, 1989, xii, 153 pp., illus., + diskette in pocket. $49.95. Science (1990) 2.78
Actual and 'optimum' flight speeds: field data reassessed J Exp Biol (1997) 2.28
Heat increment of feeding in Brunnich's guillemot J Exp Biol (1997) 2.15
Buoyancy and maximal diving depth in penguins: do they control inhaling air volume? J Exp Biol (2002) 2.12
Muscular efficiency during steady-rate exercise: effects of speed and work rate. J Appl Physiol (1975) 2.03
Central and peripheral thermal control of effectors in homeothermic temperature regulation. Physiol Rev (1986) 1.71
The cost of foraging by a marine predator, the Weddell seal Leptonychotes weddellii: pricing by the stroke. J Exp Biol (2004) 1.59
Near-body flow dynamics in swimming fish J Exp Biol (1999) 1.38
Energy production of rat soleus muscle. Am J Physiol (1972) 1.38
Heart rates and abdominal temperatures of free-ranging South Georgian shags, Phalacrocorax georgianus J Exp Biol (1997) 1.20
The diving physiology of bottlenose dolphins (Tursiops truncatus). II. Biomechanics and changes in buoyancy at depth. J Exp Biol (1999) 1.19
Cost-benefit analysis of mollusc eating in a shorebird. I. Foraging and processing costs estimated by the doubly labelled water method. J Exp Biol (2003) 1.19
Thermogenesis due to exercise and cold in warm- and cold-acclimated rats. Can J Biochem Physiol (1963) 1.16
Regulation of stroke and glide in a foot-propelled avian diver. J Exp Biol (2005) 1.16
Exercise efficiency: validity of base-line subtractions. J Appl Physiol Respir Environ Exerc Physiol (1980) 1.15
A computational fluid dynamics study of tadpole swimming J Exp Biol (1996) 1.12
Biomechanics and energetics in aquatic and semiaquatic mammals: platypus to whale. Physiol Biochem Zool (2001) 1.09
Convective oxygen transport and tissue oxygen consumption in Weddell seals during aerobic dives. J Exp Biol (1999) 1.09
Stroke patterns and regulation of swim speed and energy cost in free-ranging Brünnich's guillemots. J Exp Biol (2004) 1.09
UNDERWATER SWIMMING AT LOW ENERGETIC COST BY PYGOSCELID PENGUINS J Exp Biol (1994) 1.07
Postprandial heat increment does not substitute for active thermogenesis in cold-challenged star-nosed moles (Condylura cristata). J Exp Biol (2000) 1.05
Energetics of swimming by the platypus Ornithorhynchus anatinus: metabolic effort associated with rowing. J Exp Biol (1997) 1.05
The cost of a hot meal: facultative specific dynamic action may ensure temperature homeostasis in post-ingestive endotherms. Comp Biochem Physiol A Comp Physiol (1991) 1.02
The effect of submergence on heart rate and oxygen consumption of swimming seals and sea lions. J Comp Physiol B (1991) 1.02
Regional heterothermy and conservation of core temperature in emperor penguins diving under sea ice. Comp Biochem Physiol A Mol Integr Physiol (2003) 1.01
In vivo pectoralis muscle force-length behavior during level flight in pigeons (Columba livia) J Exp Biol (1998) 1.01
Metabolic and thermal response to swimming in water at varying temperatures. J Appl Physiol (1974) 0.99
The energy equivalents of ATP and the energy values of food proteins and fats. Br J Nutr (1984) 0.99
The metabolic cost of swimming in marine homeotherms. J Exp Biol (1997) 0.97
The influence of wind and locomotor activity on surface temperature and energy expenditure of the Eastern house finch (Carpodacus mexicanus) during cold stress. Physiol Biochem Zool (1999) 0.97
Dynamics of muscle function during locomotion: accommodating variable conditions. J Exp Biol (1999) 0.97
Predicting metabolic rate from heart rate in juvenile Steller sea lions Eumetopias jubatus. J Exp Biol (2003) 0.97
The ontogenetic changes in the thermal properties of blubber from Atlantic bottlenose dolphin Tursiops truncatus. J Exp Biol (2005) 0.94
Mechanical versus physiological determinants of swimming speeds in diving Brünnich's guillemots. J Exp Biol (1999) 0.93
Ventilation and oxygen extraction in the little penguin (Eudyptula minor), at different temperatures in air and water. Respir Physiol (1988) 0.92
The effect of feeding on the metabolic rate in harbour seals (Phoca vitulina). J Comp Physiol B (1994) 0.92
Partition of heat loss in resting and exercising winter- and summer-insulated reindeer. Am J Physiol (1986) 0.92
The contribution of nasal countercurrent heat exchange to water balance in the northern elephant seal, Mirounga angustirostris. J Exp Biol (1984) 0.91
Vascular convection of heat from active muscle to overlying skin. J Appl Physiol (1959) 0.91
The diving physiology of bottlenose dolphins (Tursiops truncatus). III. Thermoregulation at depth. J Exp Biol (1999) 0.91
The heart rate/oxygen consumption relationship during cold exposure of the king penguin: a comparison with that during exercise. J Exp Biol (2002) 0.90
The effect of speed and load changes on oxygen intake for equivalent power outputs during bicycle ergometry. Int Z Angew Physiol (1967) 0.90
Effects of series elasticity and activation conditions on muscle power output and efficiency. J Exp Biol (2005) 0.89
Insulation of furs in water. Comp Biochem Physiol A Comp Physiol (1974) 0.89
Body heat dissipation and conservation in two species of dolphins. Comp Biochem Physiol A Comp Physiol (1972) 0.89
Heart rate and energetics of free-ranging king penguins (Aptenodytes patagonicus). J Exp Biol (2004) 0.89
Swimming by sea otters: adaptations for low energetic cost locomotion. J Comp Physiol A (1989) 0.88
No evidence for bioenergetic interaction between digestion and thermoregulation in Steller sea lions Eumetopias jubatus. Physiol Biochem Zool (2004) 0.88
Body temperatures of free-living African penguins (Spheniscus demersus) and bank cormorants (Phalacrocorax neglectus). J Exp Biol (1996) 0.87
Thermogenic control during exercise in a cold environment. J Appl Physiol Respir Environ Exerc Physiol (1979) 0.87
Thermoregulation during swimming and diving in bottlenose dolphins, Tursiops truncatus. J Comp Physiol B (1999) 0.86
Threshold for shivering in aerobic and anaerobic muscles in bantam cocks and incubating hens. J Comp Physiol B (1988) 0.85
Thermal adjustment to cold-water exposure in exercising men and women. J Appl Physiol Respir Environ Exerc Physiol (1984) 0.85
Heart rates and swim speeds of emperor penguins diving under sea ice. J Exp Biol (1992) 0.84
Daily and seasonal variation in metabolic response to cold during rest and forced exercise in the common redpoll. Comp Biochem Physiol A Comp Physiol (1973) 0.83
Diving metabolism and thermoregulation in common and thick-billed murres. J Comp Physiol B (1993) 0.83
Temperature regulation in freely diving harp seals (Phoca groenlandica). Can J Zool (1979) 0.83
Problems of body heat loss in water immersion. Aerosp Med (1970) 0.82
Estimation of the rate of oxygen consumption of the common eider duck (Somateria mollissima), with some measurements of heart rate during voluntary dives. J Exp Biol (2000) 0.82
The impact of food intake and exercise on energy expenditure. Nutr Rev (1989) 0.82
Experimental study of convective heat transfer coefficient for the human body in water. J Appl Physiol Respir Environ Exerc Physiol (1977) 0.81
Some factors influencing the metabolic response to cold in birds. Fed Proc (1969) 0.81
Skin temperatures during free-ranging swimming and diving in antarctic fur seals. J Exp Biol (2000) 0.81
The metabolic response to skin temperature. Pflugers Arch (1988) 0.80
Energetic costs of diving and thermal status in European shags (Phalacrocorax aristotelis). J Exp Biol (2005) 0.80
Heat loss in penguins during immersion and compression. Comp Biochem Physiol A Comp Physiol (1976) 0.80
Temperature regulation in emperor penguins foraging under sea ice. Comp Biochem Physiol A Mol Integr Physiol (2001) 0.79
The effect of short-term fasting on shivering thermogenesis in Japanese quail chicks (Coturnix coturnix japonica): indications for a significant role of diet-induced/growth related thermogenesis. J Therm Biol (2000) 0.78
Shivering and digestion-related thermogenesis in pigeons during dark phase. Am J Physiol (1999) 0.78
Cost of transport is increased after cold exposure in Monodelphis domestica: training for inefficiency. J Exp Biol (2005) 0.78
Heat increment of feeding and its thermoregulatory benefit in the muskrat (Ondatra zibethicus). J Comp Physiol B (1994) 0.78
Energy requirements of beavers (Castor canadensis) swimming underwater. Physiol Zool (1997) 0.78
Heat increment of feeding and thermal substitution in mallard ducks feeding voluntarily on grain. J Comp Physiol B (2003) 0.78
Body cooling and its energetic implications for feeding and diving of tufted ducks. Physiol Zool (1999) 0.77
Specific dynamic action of a high-protein diet and its significance for thermoregulation in the golden hamster. Physiol Bohemoslov (1975) 0.77
Inhibition of shivering in hypothermic seals during diving. Am J Physiol Regul Integr Comp Physiol (2005) 0.76
Partitioning heat loss from mallard ducklings swimming on the air-water interface. J Exp Biol (2004) 0.76
Simulation of energy metabolism in the simple-stomached animal. Br J Nutr (1978) 0.76
Metabolic effects of swimming velocity and water temperature in the muskrat (Ondatra zibethicus). Comp Biochem Physiol A Comp Physiol (1983) 0.76
Substitution of heat from exercise and digestion by ducks diving for mussels at varying depths and temperatures. J Comp Physiol B (2005) 0.76
The effects of depth on the cardiac and behavioural responses of double-crested cormorants (Phalacrocorax auritus) during voluntary diving. J Exp Biol (2001) 0.76
Respiratory heat and water exchange in penguins. Respir Physiol (1973) 0.76
EMG activity in pectoral and femoral muscles during spinal cord cooling in exercising pigeons. Pflugers Arch (1985) 0.76
Appropriate and inappropriate hypothalamic cold thermosensitivity in Willow ptarmigan. Acta Physiol Scand (1987) 0.76
Thermal control of metabolic cold defence in pigeons columba livia J Exp Biol (1998) 0.76
Shivering thermogenesis in the pigeon: the effects of activity, diurnal factors, and feeding state. Am J Physiol (1998) 0.76
Muscle blood flow in diving mammals. Comp Biochem Physiol Comp Physiol (1993) 0.76
Energy metabolism of underwater swimming in river-otters (Lutra lutra L.). J Comp Physiol B (1998) 0.76
Flight thermogenesis and energy conservation in hovering hummingbirds J Exp Biol (1998) 0.76
Blood flow distribution in submerged and surface-swimming ducks. J Exp Biol (1992) 0.76