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Habitat use and activity level of large American bullfrog tadpoles: Choices and repeatability Geoffrey R. Smith 1 , Brittany L. Doupnik 1,2 The type of habitat an individual tadpole chooses may influence its risk of being eaten by a predator (e.g., Babbitt and Tanner, 1997; Sch- ley et al., 1998; Tarr and Babbitt, 2002), or its feeding rate (e.g., Warkentin, 1992). In addition, how active that tadpole is can often determine its risk of predation (e.g., Skelly, 1994; Kupfer- berg, 1998), and competitive ability (Werner, 1992; Semlitsch, 1993; Dayton and Fitzgerald, 2001; but see Smith et al., 2004). Relatively little is known about variation in such behaviors among and within individ- ual tadpoles (but see Watkins, 1997). In other words, we have little information on how much variation in these behaviors exists between in- dividuals of the same population, or how much variation there is in repeated measures of these behaviors in a single individual (e.g., the re- peatability of these behaviors). Such informa- tion is of interest because individual variation in habitat use and activity levels among individu- als could have ramifications for the relative suc- cess (e.g., growth, risk of predation, competi- tive ability) of individuals,
Amphibia-Reptilia – Brill
Published: Jan 1, 2005
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