Most male anurans vocalize,usually in chorus,to attract mates or defend ***,the chorus occurred in one or more periods in a twenty-four-hour cycle and varies among ***,for most anurans the circadian rhythm of calling ...
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Most male anurans vocalize,usually in chorus,to attract mates or defend ***,the chorus occurred in one or more periods in a twenty-four-hour cycle and varies among ***,for most anurans the circadian rhythm of calling behavior and the factors that affect the behavior are not *** present study,we monitored the chorus of Emei music frog(Babina daunchina),and recorded air temperature and relative humidity for twenty-four hours in a period of 17 consecutive days to investigate the effects of air temperature and relative humidity on circadian rhythm and daily varies of calling *** found that the calling behavior of Babina showed apparent circadian patterns,but no apparent daily variation in the investigated *** were two periods of peak calling activity,i.e.,from 0500 h to 0700 h and from 1300 h to 2000 h,while the lowest activity period was from 2100 to *** calls/h and syllables/h were positively correlated with air temperature,while negatively with relative humidity,suggesting that the calling behavior of frogs as ectotherm was modulated by environment factors such as temperature and relative humidity.
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