Abstract
Eggs of 10 species of shorebirds (Charadriidae, Scolopacidae, Phalaropodinae) collected at Churchill, Manitoba, were measured and artificially incubated. Neonates were weighed within 6 h of hatching. This paper reports variation in egg size and neonate mass among clutches, and the relationship between egg dimensions and neonate mass. Coefficients of variation were 4 to 9% for egg volume and 6 to 15% for neonate mass. In most species, a significant proportion (48-84%) of the variance in egg volume could be attributed to differences between clutches. Neonate mass was significantly related to egg size in six of nine species.
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