Predictions & Data for this entry

Model: std climate: Cfa, Cfb, Csa, Csb, Dfa, Dfb, Dfc migrate: Ms
COMPLETE = 2.5 ecozone: TH, TPi, TA food: biCi, xiHl, xiHr
MRE = 0.426 habitat: biFp, biFm, biMm gender: Dg
SMSE = 0.291 embryo: Tnsf reprod: O

Zero-variate data
ab25.5 27.24 (0.06814)dage at birthCaldCorn1975
tx 55 55.68 (0.0124)dtime since birth at fledchingSnowPerr1998
tR365 375.4 (0.0285)dtime since birth at 1st broodCramSimm1977
am1.062e+04 3.471e+04 (2.268)dlife spanMagaCost2009
Lb 12 12.11 (0.00909)cmlength at birthCaldSnar1974
Li57.5 44.94 (0.2184)cmultimate total lengthSnowPerr1998
Wwb32.4 45.3 (0.398)gwet weight at birthLokeJohn1990
Wwi1137 2316 (1.037)gultimate wet weightSnowPerr1998
Ri0.07945 0.05575 (0.2984)#/dmaximum reprod rateCaldCorn1975
Ww050.6 55.94 (0.1055)gfresh egg weight CaldCorn1975
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tW see Fig. 1 (0.09934)time since birthwet weightRudo1978
tWwe see Fig. 2 (0.8226)time since fertilizationwet weightPrin1969
tLe see Fig. 3 (0.3025)time since fertilizationlengthCaldSnar1974
tWw_f see Fig. 4 (0.08604)time since hatchingwet weightLokeJohn1990
tWw_m see Fig. 4 (0.1281)time since hatchingwet weightLokeJohn1990
tN see Fig. 5 (0.9296)time since hatching# eggsKrapDoty1979
Pseudo-data at Tref
DataGeneralised animalAnas platyrhynchosUnitDescription
v 0.02 0.015cm/denergy conductance
kap 0.8 0.9138-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 6078J/^3vol-spec som maint
k_J 0.002 0.0021/dmaturity maint rate coefficient
kap_G 0.8 0.8007-growth efficiency


  • [Wiki]
  • [CaldCorn1975] Patrick J. Caldwell and George W. Cornwell. Incubation behavior and temperatures of the mallard duck. The Auk, 92 (4):706--731, 1975.
  • [CaldSnar1974] Patrick J. Caldwell and Allen E. Snart. A photographic index for aging mallard embryos. The Journal of Wildlife Management, 38 (2):298--301, 1974.
  • [CramSimm1977] S. Cramp and K. E. L. Simmons. Ostrich to Ducks., 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.
  • [KrapDoty1979] Gary L. Krapu and Harold A. Doty. Age-related aspects of mallard reproduction. Wildfowl, 30:35--39, 1979.
  • [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.
  • [Prin1969] Harold H. Prince, P. B. Siegel, and George W. Cornwell. Incubation environment and the development of mallard embryos. The Journal of Wildlife Management, 33 (3):589--595, 1969.
  • [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 file with references for this entry

Carlos MGL Teixeira, 2011/11/20 (last modified by Elke Zimmer 2018/04/17)

accepted: 2018/04/19

refer to this entry as: AmP Anas platyrhynchos version 2018/04/19