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Spatial Variation in Egg Mortality of the Lizard Anolis limifrons
Robin M. Andrews
Vol. 38, No. 1, Reproductive Biology of Reptiles (Mar., 1982), pp. 165-171
Stable URL: http://www.jstor.org/stable/3892370
Page Count: 7
You can always find the topics here!Topics: Eggs, Ants, Mortality, Lizards, Snails, Female animals, Herpetology, Population density, Predators, Iguanas
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Survivorship of eggs of the lizard Anolis limifrons was monitored at two sites at Barro Colorado Island in Panama. At AVA and Lutz sites, egg survivorship was 34% and 17%, respectively, over the 40-day incubation period. Of the eggs that did not survive, 15 were killed by ants (Solenopsis spp.), 3 were killed by snails, 2 were killed by unknown predators, and 18 disappeared. At AVA site, the density of lizards was about two times greater than at Lutz site. The results of life-table analyses suggest that the greater density of lizards at AVA site can be attributed to greater egg survival at AVA than at Lutz site.
Herpetologica © 1982 Herpetologists' League