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Food habits of Nyctinomops macrotis at a maternity roost in New Mexico, as indicated by analysis of guano

Southwestern Naturalist

By:
and
https://doi.org/10.1894/0038-4909(2003)048<0132:FHONMA>2.0.CO;2

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Abstract

We examined 56 fecal pellets from under a maternity colony of big free-tailed bats (Nyctinomops macrotis) in the Jemez Mountains of northern New Mexico. The most important food items, listed in order of decreasing percent volume, were Cicadellidae, leafhoppers (26.7% volume, 58.9% frequency); Ichneumonidae, Ichneumon wasps (19.3% volume, 35.7% frequency); and Lepidoptera, moths (17.2% volume, 82.1% frequency). Overall, the most important orders as prey consumed, listed by decreasing percent volume, were Homoptera (27.6% volume, 62.5% frequency), Hymenoptera (19.5% volume, 37.5% frequency), Lepidoptera (17.2% volume, 82.1% frequency), Hemiptera (11.7% volume, 37.5% frequency), and Diptera (10.6% volume, 50.0% frequency). Our study documents an unusually varied diet, as previous studies indicated that these bats fed almost exclusively on moths.

Additional publication details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Food habits of Nyctinomops macrotis at a maternity roost in New Mexico, as indicated by analysis of guano
Series title:
Southwestern Naturalist
DOI:
10.1894/0038-4909(2003)048<0132:FHONMA>2.0.CO;2
Volume:
48
Issue:
1
Year Published:
2003
Language:
English
Publisher:
Southwestern Association of Naturalists
Contributing office(s):
Fort Collins Science Center
Description:
4 p.
First page:
132
Last page:
135
Country:
United States
State:
New Mexico