Arid
DOI10.1093/jmammal/gyw196
Using behavioral and stable isotope data to quantify rare dietary plasticity in a temperate bat
Aliperti, Jaclyn R.1; Kelt, Douglas A.1; Heady, Paul A., III2; Frick, Winifred F.3,4
通讯作者Aliperti, Jaclyn R.
来源期刊JOURNAL OF MAMMALOGY
ISSN0022-2372
EISSN1545-1542
出版年2017
卷号98期号:2页码:340-349
英文摘要

Seasonal reliance on plant-based resources is very uncommon in temperate insectivorous bats. The pallid bat (Antrozous pallidus) is an exception and in the Sonoran Desert switches from an arthropod-based diet to one that includes cactus nectar during spring when columnar cacti bloom. Such cactophily is a common strategy among nectar-feeding phyllostomid bats, including migratory Leptonycteris species that consume nectar and fruit from columnar cacti. Spring nectarivory by A. pallidus begs the question of whether they also consume cactus fruit during the summer, despite lacking morphological and physiological adaptations for frugivory. We recorded foraging behavior of bats at 134 fruits of the cardon cactus (Pachycereus pringlei) in Baja California Sur, Mexico, and used stable isotope analysis to quantify incorporation of fruit into the summer diet of A. pallidus. We found that A. pallidus visited cardcn fruits just as frequently as the lesser long-nosed bat, Leptonycteris yerbabuenae (51.0% and 49.0% of total observed visits, respectively), and removed the same amount of fruit (t(59) = -0.85, P = 0.40). Carbon isotopes in wing tissue (n = 37) and exhaled breath (n = 35) of A. pallidus were consistent with frugivory, although variability in the proportion of cactus-derived delta C-13 in A. pallidus was higher in summer than in spring. Our results confirm that nectarivory in A. pallidus extends to frugivory, highlighting remarkable dietary plasticity in a temperate bat. Moreover, these data suggest that A. pallidus may be an important mutualist to columnar cacti in parts of the Sonoran Desert.


英文关键词Antrozous pallidus columnar cacti diet plasticity foraging behavior frugivory insectivory mutualism Pachycereus pringlei stable isotope
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000398033100003
WOS关键词ANTROZOUS-PALLIDUS ; INSECTIVOROUS BAT ; GLOSSOPHAGA-COMMISSARISI ; PHYTOPHAGOUS BATS ; CARBON ISOTOPES ; COLUMNAR CACTI ; MIXING MODELS ; DRY FOREST ; NECTAR ; EVOLUTION
WOS类目Zoology
WOS研究方向Zoology
来源机构University of California, Davis
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/200643
作者单位1.Univ Calif Davis, Dept Wildlife Fish & Conservat Biol, Davis, CA 95616 USA;
2.Bat Conservat Res & Serv, Aptos, CA 95001 USA;
3.Univ Calif Santa Cruz, Dept Ecol & Evolutionary Biol, Santa Cruz, CA 95064 USA;
4.Bat Conservat Int, Austin, TX 78716 USA
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Aliperti, Jaclyn R.,Kelt, Douglas A.,Heady, Paul A., III,et al. Using behavioral and stable isotope data to quantify rare dietary plasticity in a temperate bat[J]. University of California, Davis,2017,98(2):340-349.
APA Aliperti, Jaclyn R.,Kelt, Douglas A.,Heady, Paul A., III,&Frick, Winifred F..(2017).Using behavioral and stable isotope data to quantify rare dietary plasticity in a temperate bat.JOURNAL OF MAMMALOGY,98(2),340-349.
MLA Aliperti, Jaclyn R.,et al."Using behavioral and stable isotope data to quantify rare dietary plasticity in a temperate bat".JOURNAL OF MAMMALOGY 98.2(2017):340-349.
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