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The ecology of male egg attendance in an arboreal breeding frog, Chirixalus eiffingeri (Anura: Rhacophoridae), from Taiwan



The ecology of male egg attendance in an arboreal breeding frog, Chirixalus eiffingeri (Anura: Rhacophoridae), from Taiwan



Zoological Science 24(5): 434-440



Field observations were conducted on egg attendance in Chirixalus eiffingeri from April to August 2003. Parental attendance during embryonic development was performed exclusively by males. The frequency of egg attendance was low (27%), but it had a distinct diel pattern in which males were observed to attend eggs more frequently at night than during the day. Attendance frequency significantly decreased with increasing developmental stage of the embryos, but it was not statistically significantly related to clutch size. Field observations confirmed that male frogs actively moisten egg clutches using their ventral surfaces, presumably to prevent desiccation of egg clutches. The non-significant relationship between hatching success and frequency of egg attendance suggests that embryonic survival of C. eiffingeri is more than a function of egg attendance, and ecological and environmental factors, such as climate and characteristics of microhabitats, may also influence the survivorship of the embryos.

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Accession: 017346743

Download citation: RISBibTeXText

PMID: 17867842

DOI: 10.2108/zsj.24.434


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