Journal
JOURNAL OF NATURAL HISTORY
Volume 43, Issue 3-4, Pages 205-217Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00222930802568808
Keywords
Bromeliaceae; calls; clutch size; phytotelmata; reproduction; courtship; lekking
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Funding
- Brazilian National Council of Scientific and Technological Development CNPq [471081/2004-3]
- Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro FAPERJ [E-26/170.976/2006]
- CAPES
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Several aspects of the reproductive behaviour of species of the Scinax perpusillus group (S. perpusillus, S. v-signatus, S. littoreus, and three other not yet described species) obtained from direct field observations and nocturnal video filming are presented and evaluated. Males of the observed species have behavioural characters, including aspects of their call, that are indicative of territory defence. Vocalizations are elaborate and represent intra- and inter-sexual communication mechanisms. Females present behaviour relating to the inspection of egg-laying sites (bromeliad leaf-tanks), reduced and partitioned clutch. This set of behaviours is not only indicative of a sophisticated control mechanism over egg laying and spermatozoid release, but also of the existence of a behavioural repertoire that probably originated in the ancestor of these species and could be considered a synapomorphy for this group of species. Furthermore, the behaviours described herein comprise a new reproductive strategy for frogs that reproduce in bromeliads.
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