广州地区犬蝠的食性

2004年5月-2006年4月采用拾遗法、粪便内容物分析法及实地观察对广州地区常见的食果蝙蝠-犬蝠(Cynopterus sphinx)进行了食性研究。对26份食物残留物和粪便样品的分析结果表明:犬蝠的食物包含13科21种的植物果实,3科3种的植物叶片,如:蒲桃(Syzygium jambos)、蒲葵(Livistona subglobosa)及龙眼(Dimocarous longan)的果实。其食性随果实的成熟季节而出现明显的季节性变化,夏秋两季大量食用各种水果,而在食物欠缺的春冬两季则主要食用棕榈科蒲葵的种子。广州地区犬蝠的繁殖期在每年的5-10月。

Feeding Habits of Cynopterus sphinx in Guangzhou Area

Greater short-nosed fruit bat (Cynopterus sphinx) is an abundant species of fruit-eating bats widely distributed in the Guangzhou area. From May 2004 to April 2006, the feeding habits of Cynopterus sphinx were studied using field surveys, gleaning and feces analysis. Analysis of 26 feces and leftovers of Cynopterus sphinx showed that Cynopterus sphinx had eaten fruits from 21 plant species belonging to 13 families and leaves of 3 species belonging to 3 families. The main food of Cynopterus sphinx are fruits of Moraceae ficus, Syzygium jambos, Livistona subglobosa and Livistona subglobosa. The feeding habits of Cynopterus sphinx changed seasonally, as it mainly ate various kinds of fruits in summer and autumn, but seeds of Livistona subglobosa in winter and spring. The reproduction fastigium of Cynopterus sphinx in Guangzhou area is from May to October.