Selection of Maternity Roosts by Evening Bats (Nycticeius humeralis) in a Riparian Forest at the Northern Edge of Their Range

Münzer, Olivia M.; Li, Han; Schaetz, Brian A.; Kurta, Allen

doi:10.3161/15081109acc2023.25.1.005

Cited by 1 publication

(1 citation statement)

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“…Big brown, eastern red, hoary, and silver-haired bats were the most commonly recorded species, which is generally consistent with the results of acoustic research conducted recently in the same region, the northern Great Plains [57,58]. It is also not surprising that we recorded the evening bat regularly as this species is commonly captured in eastern Nebraska [59] and experiencing northward and westward range expansion [60,61]. However, the regular detection of Mexican free-tailed bats is somewhat unexpected as only a few capture or voucher records of the Mexican free-tailed bat were available in Nebraska [62].…”

Section: Discussionsupporting

confidence: 89%

Conservation Value to Bats: Assessing Multiple Functional Habitats in a Nature Preserve at the Urban-Agricultural Interface via Temporal Ecology

Li,

White

2024

Sustainability

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In grassland ecosystems, agriculture and urbanization are two main anthropogenic disturbances to native fauna. Nature preserves at the urban-agricultural interface may include diverse vegetation habitats, providing opportunities for native fauna. Limited research has examined the conservation value of such preserves to bats. We examined bat activity patterns at multiple temporal scales at Glacier Creek Preserve in Omaha, Nebraska, USA, between 2018 and 2020 via acoustic monitoring to identify what functional habitats it might provide to bats. We placed bat detectors along the forest edge and in the open, restored native prairies and open agricultural fields. A total of nine species were recorded at the preserve, including the endangered Myotis septentrionalis. Foraging activities were recorded for six species. The edge habitat had higher overall acoustic activities for three species (Eptesicus fuscus, Lasiurus borealis, and Lasiurus cinereus) and a higher proportion of foraging activities for two species (Lasiurus borealis and Lasiurus cinereus) than the open habitat. Lasiurus cinereus displayed activity peaks early at night, whereas Lasiurus borealis had activity peaks late. Results suggest that a medium-sized nature preserve at the urban-agricultural interface can provide roosts, commuting corridors, and foraging grounds for different bats. The conservation value of such nature preserves should not be overlooked.

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