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Breeding Biology of the Gopher Frog, Rana capito, in Western Florida
John G. Palis
Journal of Herpetology
Vol. 32, No. 2 (Jun., 1998), pp. 217-223
Published by: Society for the Study of Amphibians and Reptiles
Stable URL: http://www.jstor.org/stable/1565300
Page Count: 7
You can always find the topics here!Topics: Egg masses, Frogs, Female animals, Fences, Breeding, Ponds, Eggs, Amphibians, Biology, Breeding seasons
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The breeding biology of Rana capito was studied for one breeding season at a 1.2 ha pond in Okaloosa County, Florida. Frog movement was monitored with a drift fence and pitfall traps and egg deposition site selection was examined using wading surveys. A total of 301 unmarked adult frogs was captured, nearly half in February. Movement of immigrating frogs was positively correlated with rainfall. Frogs that entered and exited the pond only once, exited within an average of 38.5 m from the point of entry. Males spent more time in the basin than females and multiple-recaptured males stayed in the basin longer than single-recaptured males. Overall, the sex ratio did not differ from parity; however, nightly operational sex ratios were overwhelmingly male-biased. The eight-month breeding season (October through May) encompassed three major breeding events (one each in October, February, and April). A total of 146 complete egg masses was found, 67 of which contained an average of 2210 eggs. Frogs oviposited non-randomly, preferring rigid, vertical stems upon which to lay eggs. Each female deposited one egg mass.
Journal of Herpetology © 1998 Society for the Study of Amphibians and Reptiles