TABLE 4 in Two new canyon-dwelling frogs from the arid sandstone Isalo Massif, central-southern Madagascar (Mantellidae, Mantellinae)
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TABLE 4. Temporal and spectral parameters in the advertisement calls of Mantidactylus noralottae, M. betsileanus and M. sp. aff. ulcerosus. Temporal data are given as range, followed (in parentheses) by mean ± standard deviation and number of measured elements. Comparative calls of M. betsileanus and M. sp. aff. ulcerosus taken from Vences et al. (2006), while further data in parentheses follow Glaw & Vences (1994). Mantidactylus noralottaeMantidactylus betsileanusLocalityAmbovo, Isalo MassifMandrakaRanohira, Isalo MassifAir temperature20°C23-24°C23.4°CNotes per call118-(14)Note duration (ms)2400-2900 (2660 ± 221, n = 5)2900-3100 (3053 ± 82.1, n = 4)113-142 (126.3 ± 8.8, n = 8)Intervals between notes5000-7000 (6000 ± 1414, n = 2)11900-13000 (12660 ± 577.1, n = 3)130-170 (152.1 ± 8.4, n = 7)Pulses per note90-100 (96.6 ± 1.4, n = 5)163-178 (172.5 ± 6.5, n = 4)22-26 (24.8 ± 1.3, n = 8)Pulse duration (ms)10-26 (15.8 ± 3.3, n = 25)6-8 (6.8 ± 0.8, n = 15)1-10 (4.5 ± 2.3, n = 35)Intervals between pulses (ms)8-16 (12.5 ± 2.2, n = 17)8-10 (9.1 ± 0.9, n = 10)NonePulse repetition rate (1/s)41-45 (43 ± 1.8, n = 5)55-64 (58.6 ± 4.7, n = 3)96-102 (99 ± 3, n = 2)Frequency (Hz)900-3000400-5000700-4500Dominant frequency (Hz)1300-15001400-15001000-1200
