A tradeoff between mate-quality recognition and species recognition in male Bufo gargarizans that co-occur with Rana catesbeiana

Yu, Tong Lei, Busam, Michael, and Pike, David A. (2014) A tradeoff between mate-quality recognition and species recognition in male Bufo gargarizans that co-occur with Rana catesbeiana. Animal Biology, 64 (1). pp. 49-58.

[img] PDF (Published Version) - Published Version
Restricted to Repository staff only

View at Publisher Website: http://dx.doi.org/10.1163/15707563-00002...
 
1
5


Abstract

Typically, anuran amphibians favor larger females as mates because larger females lay more eggs; thus, males in amplexus can increase the number of eggs fertilized, and fitness. However, males may also prefer those females that were closest to the norm for their population in overlapping populations, and these individuals do not receive the benefits of enhanced fertilization success. In this study, we test how male Bufo gargarizans choose mates in the presence and absence of an invasive species, bullfrogs (Rana catesbeiana). When given a simultaneous choice between a small male and a large female toad, males discriminated between the sexes and attempted to clasp a large female. However, when one male toad was presented with a large female bullfrog and a small female toad, the males chose both with equal frequency. Therefore, male B. gargarizans appears to trade-off between species and mate-quality recognition, such that those toads co-occurring with heterospecifics do not blindly prefer mate-quality to ensure conspecific matings.

Item ID: 32985
Item Type: Article (Refereed Research - C1)
Keywords: Bufo gargarizans, mate choice, Rana catesbeiana, sexual selection
ISSN: 1570-7563
Funders: National Science Foundation of China (NSFC), People's Government of Henan Province
Projects and Grants: NSFC Joint Funds for Fostering Talents, People's Government of Henan Province Grant no. U1204306
Date Deposited: 30 Apr 2014 09:51
FoR Codes: 05 ENVIRONMENTAL SCIENCES > 0501 Ecological Applications > 050103 Invasive Species Ecology @ 50%
06 BIOLOGICAL SCIENCES > 0602 Ecology > 060201 Behavioural Ecology @ 50%
SEO Codes: 96 ENVIRONMENT > 9604 Control of Pests, Diseases and Exotic Species > 960499 Control of Pests, Diseases and Exotic Species not elsewhere classified @ 100%
Downloads: Total: 5
More Statistics

Actions (Repository Staff Only)

Item Control Page Item Control Page