Anas platyrhynchos (Mallard):  

Predictions & Data for this entry

Model:  std  

MRE = 0.022
SMSE = 0.044

Zero-variate data
ab27.5 27.48 (0.0005542)dage at birthSnowPerr1998
tx 55 54.68 (0.005893)dtime since birth at fledchingSnowPerr1998
tR210 209.6 (0.001711)dtime since birth at 1st broodCramSimm1977
am1.062e+04 1.077e+04 (0.01356)dlife spanMagaCost2009
Li57.5 57.5 (4.284e-05)cmultimate total lengthSnowPerr1998
Wwb32.4 32.78 (0.01165)gwet weight at birthLokeJohn1990
Wwi1063 1059 (0.003475)gultimate wet weightSnowPerr1998
Ri0.03014 0.03002 (0.004033)#/dmaximum reprod rateSnowPerr1998
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tW see Fig. 1 (0.1581)time since birthwet weightRudo1978
Pseudo-data at Tref
DataGeneralised animalAnas platyrhynchosUnitDescription
v 0.02 0.3629cm/denergy conductance
kap 0.8 0.9381-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 18.65J/^3vol-spec som maint
k_J 0.002 0.0021/dmaturity maint rate coefficient
kap_G 0.8 0.8004-growth efficiency


  • [Wiki]
  • [CramSimm1977] S. Cramp and K. E. L. Simmons. Ostrich to ducks. In Handbook of the Birds of Europe, the Middle East and North Africa, The Birds of the Western Palearctic, volume I. Oxford University Press, Oxford, 1977.
  • [MagaCost2009] J. P. de Magalhaes and J. Costa. A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology, 22:1770--1774, 2009.
  • [Kooy2010] S.A.L.M. Kooijman. Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge, 2010.
  • [LokeJohn1990] J. T. Lokemoen, D. H. Johnson, and D. E. Sharp. Weights of wild mallard Anas platyrhynchos, gadwall A. strepera, and blue-winged teal A. discors during the breeding season. Wildfowl, 41:122--130, 1990.
  • [Rahn1991] H. Rahn. Why birds lay eggs. In D. C. Deeming and M. W. J. Fergunson, editors, Egg incubation: its effects on embryonic development in birds and reptiles, pages 345--360. Cambridge University Press, Cambridge, 1991.
  • [Rudo1978] W. Rudolph. Die Hausenten. A. Ziemsen-Verlag, Wittenberg Lutherstadt, 1978.
  • [SnowPerr1998] D. W. Snow and C. M. Perrins. The Birds of the Western Palearctic, Concise Edition. Oxford University Press, Oxford, 1998.

Bibtex files with references for this entry

Carlos MGL Teixeira, 2011/11/20 (last modified by Bas Kooijman 2016/11/24)

accepted: 2016/11/24

refer to this entry as: AmP Anas platyrhynchos version 2016/11/24