Avian eggshell pigments are not consistently correlated with colour measurements or egg constituents in two Turdus thrushes

P. Cassey ([email protected]), School of Earth and Environmental Sciences, Univ. of Adelaide, SA 5005, Australia. PC also at: Centre for Ornithology, School of Biosciences, Univ. of Birmingham, B15 2TT, UK. – I. Mik š í k, Inst. of Physiology, Academy of Sciences of the Czech Republic, CZ-14220 Prague, Czech Republic. – S. J. Portugal and G. Maurer, Centre for Ornithology, School of Biosciences, Univ. of Birmingham, B15 2TT, UK. – J. G. Ewen, Inst. of Zoology, Zoological Society of London, London, VW1 4RY, UK. – E. Zarate and M. A. Sewell, School of Biological Sciences, Univ. of Auckland, Auckland 1142, New Zealand. – F. Karadas, Dept of Animal Science, Univ. of Y ü z ü nc ü Yil, TR-65080 Van, Turkey. – T. Grim, Dept of Zoology and Laboratory of Ornithology, Palacky Univ., CZ-77146 Olomouc, Czech Republic. – M. E. Hauber, Dept of Psychology, Hunter College and the Graduate Center of the City Univ. of New York, NY 10065, USA.