期刊
ACTA ETHOLOGICA
卷 12, 期 2, 页码 121-125出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s10211-009-0062-9
关键词
Courtship behavior; Podocnemididae; Red-headed Amazon River turtle; Amazon
资金
- Fundacao de Amparo a Pesquisa do Estado do Amazonas [2003-916]
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico
- New Jersey Audubon Society [P30ES005022, DE-FC01-06EW07053]
The courtship behavior of Podocnemis erythrocephala (Red-headed Amazon River Turtle) in captivity was studied to examine female receptivity and male response to female rejection. We observed 20 females and 39 males in 150 sessions (3-6 h/day for a total of 450 h). In 36% of the trials, there was no interaction between males and females, and 20% of the trials resulted in copulations. All males introduced into tanks approached females, and eventually there was aggression among the males. In 48% of the experiments, females also searched for or approached males. When males initially approached females, they either accepted the male's advances (14%), rejected the male passively (38%), or rejected the male aggressively (48%). In 86% of the cases where males were rejected, 4% attempted to approach females again, and in 51% they were ultimately successful.
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