ThomasBrighamLapierre1996a

Référence

Thomas, D.W., Brigham, R.M., Lapierre, H. (1996) Field metabolic rates and body mass changes in common poorwills (Phalaenoptilus nuttallii: Caprimulgidae). Ecoscience, 3(1):70-74.

Résumé

We studied field metabolic rate (FMR) and mass changes in nesting common poorwills (Phalaenoptilus nuttallii; Caprimulgidae) using the doubly labelled water method. In June when poorwills were incubating a first clutch, FMR for females was significantly lower than for males (females: 28.3 ± 3.0 kJ·d-1; males 85.0 ± 12.7 kj·d-1), but FMR did not differ between the sexes in August (59.6 ± 8.7 kJ·d-1) when birds were incubating a second clutch. Mass change (MC) was significantly correlated with FMR (MC = 1.548 - 0.031·FMR) and birds achieved mass stability at FMR of 49.9 kj·d-1. The mass stable FMR of 49.9 kJ·d-1 is 3.0 X BMR (basal metabolic rate) and is only 54% of Nagy's (1987; Ecological Monographs, 57: 111-128) allometric equation predicting FMR for non-passerines. These data support the idea that low BMR, characteristic of poowills, results in low FMR. An analysis of mass change as a function of foraging and FMR suggests that poorwills forage at a maximum rate of 200-300 sallies·night-1 and that mass change results from fat deposition or mobilization. When vigorously calling to defend territories in June, male poorwills have FMR of 5.1 X BMR, which ranks in the top 5% of FMR recorded for birds. We suggest that males invest heavily in territorial displays and run a negative energy balance through June, leading to observed mass loss.

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@ARTICLE { ThomasBrighamLapierre1996a,
    AUTHOR = { Thomas, D.W. and Brigham, R.M. and Lapierre, H. },
    TITLE = { Field metabolic rates and body mass changes in common poorwills (Phalaenoptilus nuttallii: Caprimulgidae) },
    JOURNAL = { Ecoscience },
    YEAR = { 1996 },
    VOLUME = { 3 },
    PAGES = { 70-74 },
    NUMBER = { 1 },
    NOTE = { 11956860 (ISSN) Cited By (since 1996): 4 Export Date: 26 April 2007 Source: Scopus Language of Original Document: English Correspondence Address: Thomas, D.W.; Grp. Rech. Ecologie, Nutr. E.; De?partement de Biologie; Universite? de Sherbrooke Sherbrooke, Que. J1K 2R1, Canada; email: d.thomas@courrier.usherb.ca References: Bartholomew, G.A., Vleck, D., Vleck, C., Instantaneous measurements of oxygen consumption during pre-flight warm-up and post-flight cooling in sphingid and saturniid maths (1981) Journal of Experimental Biology, 90, pp. 17-32; Bayne, E.M., Brigham, R.M., Prey selection and foraging constraints in common poorwills (Phalaenoptilus nuttallii: Aves, Caprimulgidae) (1994) Journal of Zoology, 235, pp. 1-8; Bell, G.P., Birds and mammals on an insect diet: A primer on diet composition analysis in relation to ecological energetics (1990) Studies in Avian Biology, 13, pp. 416-422; Brigham, R.M., Daily torpor in a free-ranging goatsucker, the common poorwill (Phalaenoptilus nuttallii) (1992) Physiological Zoology, 65, pp. 457-472; Brigham, R.M., Barclay, R.M.R., Lunar influence on foraging and nesting activity of common poorwills (Phalaenoptilus nuttalii) (1992) Auk, 109, pp. 315-320; Bryant, D.M., Constraints on energy expenditure by birds (1990) Acta XX. Congressus Internationalis Ornithologici, 4, pp. 1989-2001; Bryant, D.M., Tatner, P., Intraspecific variation in avian energy expenditure: Correlates and constraints (1991) Ibis, 133, pp. 236-245; Csada, R.D., Brigham, R.M., Common poorwill (1992) The Birds of North America, (32). , A. Poole, P. Stettenheim \& F. Gills (ed.). The Academy of Natural Sciences, Washington, D.C; Csada, R.D., Brigham, R.M., Reproductive constraints on the use of daily torpor by free-ranging common poorwills (Phalaenoptilus nuttallii) (1994) Journal of Zoology, 234, pp. 209-216; Drent, R.H., Daan, S., The prudent parent: Energetic adjustments in avian breeding (1980) Ardea, 68, pp. 225-252; Hammond, K.A., Diamond, J., An experimental test for a ceiling on sustained metabolic rate in lactating mice (1992) Physiological Zoology, 65, pp. 952-977; Hammond, K.A., Konarzewski, M., Torres, R.M., Diamond, J., Metabolic ceilings under a combination of peak energy demands (1994) Physiological Zoology, 67, pp. 1479-1506; Hayssen, V., Lacy, R.C., Basal metabolic rates in mammals: Taxonomic differences in the allometry of BMR and body mass (1985) Comparative Biochemistry and Physiology, 81 A, pp. 741-754; Kalcounis, M.C., Csada, R.D., Brigham, R.M., The status and distribution of the common poorwill in the Cypress Hills, Saskatchewan (1992) Blue Jay, 50, pp. 38-44; Lasiewski, R.C., Physiological responses to heat stress in the poorwill (1969) American Journal of Physiology, 217, pp. 1504-1509; Lasiewski, R.C., Dawson, W.R., A re-examination of the relation between standard metabolic rate and body weight in birds (1967) Condor, 69, pp. 13-23; Lifson, N., McClintock, R., Theory of use of the turnover rates of body water for measuring energy and material balance (1966) Journal of Theoretical Biology, 12, pp. 46-74; Nagy, K.A., (1983) The Doubly-labeled Water (3H218O) Method: A Guide to Its Use, pp. 1-45. , University of California (Los Angeles) Publication 12-1417; Nagy, K.A., Field metabolic rate and food requirement scaling in mammals and birds (1987) Ecological Monographs, 57, pp. 111-128; Peterson, C.C., Nagy, K.A., Diamond, J., Sustained metabolic scope (1990) Proceedings of the National Academy of Sciences, 87, pp. 2324-2328; Reyer, H.-U., Westerterp, K.R., Parental energy expenditure: A proximate cause of helper recruitment in the pied king-fisher, Ceryle rudis (1985) Behavioral Ecology and Sociobiology, 17, pp. 363-369; Speakman, J.R., How should we calculate CO2 production in doubly labelled water studies of animals? (1993) Functional Ecology, 7, pp. 746-750; Tatner, P., Energetic demands during brood rearing in the wheatear, Oenanthe oenanthe (1990) Ibis, 132, pp. 423-435; Thomas, D.W., Martin, K., Lapierre, H., Doubly labelled-water measures of field metabolic rate in white-tailed ptarmigan: Variation in background isotope abundances and effect on CO2 production estimates (1994) Canadian Journal of Zoology, 72, pp. 1967-1972; Weathers, W.W., Climatic adaptations in avian standard metabolic rate (1979) Oecologia, 42, pp. 81-89; Zurowski, K.L., Brigham, R.M., Does the use of doubly labelled water in metabolic studies alter activity levels of common poorwills? (1994) Wilson Bulletin, 106, pp. 412-415. },
    ABSTRACT = { We studied field metabolic rate (FMR) and mass changes in nesting common poorwills (Phalaenoptilus nuttallii; Caprimulgidae) using the doubly labelled water method. In June when poorwills were incubating a first clutch, FMR for females was significantly lower than for males (females: 28.3 ± 3.0 kJ·d-1; males 85.0 ± 12.7 kj·d-1), but FMR did not differ between the sexes in August (59.6 ± 8.7 kJ·d-1) when birds were incubating a second clutch. Mass change (MC) was significantly correlated with FMR (MC = 1.548 - 0.031·FMR) and birds achieved mass stability at FMR of 49.9 kj·d-1. The mass stable FMR of 49.9 kJ·d-1 is 3.0 X BMR (basal metabolic rate) and is only 54% of Nagy's (1987; Ecological Monographs, 57: 111-128) allometric equation predicting FMR for non-passerines. These data support the idea that low BMR, characteristic of poowills, results in low FMR. An analysis of mass change as a function of foraging and FMR suggests that poorwills forage at a maximum rate of 200-300 sallies·night-1 and that mass change results from fat deposition or mobilization. When vigorously calling to defend territories in June, male poorwills have FMR of 5.1 X BMR, which ranks in the top 5% of FMR recorded for birds. We suggest that males invest heavily in territorial displays and run a negative energy balance through June, leading to observed mass loss. },
    KEYWORDS = { Field metabolic rate Foraging Phalaenoptilus nuttallii Poorwills body mass field metabolic rate Phalaenoptilus nuttallii },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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