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. 2014 Mar 28;14:65. doi: 10.1186/1471-2148-14-65

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Copyright © 2014 Maroja et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Time to mate in relation to time to first call. Results show only successful matings (n = 73), time to first call refers to the start of courtship behavior. Triangles represent G. pennsylvanicus males and circles represent G. firmus males. Conspecific matings are shown in light blue and heterospecific matings are shown in red. Time to mate was influenced by time to first call (P = 0.01; no mating took place in the absence of calling). There were no differences in time to mate between conspecific and heterospecific crosses however male G. firmus were faster to mate than male G. pennsylvanicus (P = 0.006).