Sexual Dimorphism in Egg Size and Implications regarding Facultative Manipulation of Sex in Mountain White-Crowned Sparrows

The volume of male eggs in Mountain White-crowned Sparrows (Zonotrichia leucophrys oriantha) was slightly larger than that of female eggs in every year of a 5-year study. The volume difference was highly significant (P < 0.01) when data for all years were combined. Male nestlings also grew faster...

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Veröffentlicht in:	The Condor (Los Angeles, Calif.) Calif.), 1987-11, Vol.89 (4), p.798-803
Hauptverfasser:	Mead, Paul S., Morton, Martin L., Fish, Brian E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Birds Chicks Eggs Female animals Fundamental and applied biological sciences. Psychology Hatching Male animals Non mammalian vertebrate reproduction Ova Reproductive success Sex ratio Sparrows Vertebrates: reproduction Zonotrichia leucophrys oriantha
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