Journal of Ethology

, Volume 8, Issue 2, pp 121–127 | Cite as

The choice of foraging methods of the Brown Dipper,Cinclus pallasii (Aves: Cinclidae)

  • Kazuhiro Eguchi


The Brown Dipper,Cinclus pallasii, forages for large prey by diving deeply among submerged rocks, and for small prey in shallow water by wading and pecking on the bottom. Foraging by diving entailed a higher energy cost but resulted in taking larger prey than foraging by wading-and-pecking. Foraging by diving was seldom observed from May to October, but increased from December to April, when the dippers came into breeding condition and the proportion of large prey in the benthic fauna increased. During the breeding season, adult dippers fed themselves mainly by foraging by wading-and-pecking, whereas those feeding nestlings and fledglings foraged by diving. The foraging methods employed was determined by the individuals being fed and the abundance of the large prey. Foraging by diving may be advantageous for individuals provisioning their young because of the high gross intake rate, but may be less advantageous for the foragers themselves because of the high energy cost.


Shallow Water Intake Rate Breeding Season Energy Cost Animal Ecology 
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  1. Andersson, J. S. & S. A. L. Wester. 1971. Body weight of wintering dippersCinclus cinclus (L.).Ornis Scand. 3: 39–43.Google Scholar
  2. Bent, A. C. 1948. Life history of north American nuthatches, wrens, thrashers, and their allies.Bull. U. S. Natl. Mus. 195: 1–475.Google Scholar
  3. Bryant D. M. & A. K. Turner. 1982. Central place foraging by swallows (Hirundinidae): the question of load size.Anim. Behav. 30: 845–856.Google Scholar
  4. Bryant, D. M., C. J. Hails & R. Prys-Jones. 1985. Energy expenditure by free-living Dippers (Cinclus cinclus) in winter.Condor 87: 177–186.Google Scholar
  5. EGUCHI, K. 1988. The ecological significance of time budgets of the Brown Dipper,Cinclus pallasii TEMMINCK.Jpn. J. Ecol. 38: 243–255. (in Japanese with English summary)Google Scholar
  6. Hashiguchi, D., & S. Yamagishi. 1981. Dispersion pattern and territorial behavior of the wintering Brown Dipper,Cinclus pallasii.Jpn. J. Ecol. 31: 161–170. (in Japanese with English summary)Google Scholar
  7. Kacelnik, A., & A. I. Houston. 1984. Some effects of energy costs on foraging strategies.Anim. Behav. 32: 609–614.Google Scholar
  8. Lifjeld, j. T. 1988. Prey choice and nestling hunger: an experiment with pied flycatchers,Ficedula hypoleuca.Anim. Behav. 36: 134–139.Google Scholar
  9. Murton, R. K. 1971. The significance of specific search image in the feeding behaviour of the wood pigeon.Behaviour 40: 10–42.Google Scholar
  10. Norberg, R. A. 1977. An ecological theory on foraging time and energetics and choice of optimal food-searching method.J. Anim. Ecol. 46: 511–529.Google Scholar
  11. Ormerod, S. J. 1985. The diet of breeding DippersCinclus cinclus and their nestlings in the catchment of the River Wye, mid-Wales: a preliminary study by faecal analysis.Ibis 127: 316–331.Google Scholar
  12. Rudolph, S. G. 1982. Foraging strategies of American kestrels during breeding.Ecology 63: 1268–1276.Google Scholar
  13. Shaw, G. 1979. Prey selection by breeding Dippers.Bird Study 26: 66–67.Google Scholar
  14. Tanaka, Y. 1980. An application of methods of quantification to analyze the effect of qualitative factors. pp. 287–299in Recent developments in statistical inference and data analysis (K. Matusita, Ed.). North-Holland.Google Scholar
  15. Thut, R. N. 1970. Feeding habits of the dipper in southwestern Weshington.Condor 72: 234–235.Google Scholar
  16. Turner, A. K. 1982. Optimal foraging by the swallow (Hirundo rustica L): prey size selection.Anim. Behav. 30: 862–872.Google Scholar

Copyright information

© Japan Ethological Society 1990

Authors and Affiliations

  • Kazuhiro Eguchi
    • 1
  1. 1.Department of Biology, Faculty of ScienceKyushu UniversityFukuokaJapan

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