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Hawaiian hoary bats (Lasiurus cinereus semotus) were captured at multiple locations on the east side of Hawaii Island from May 2019 to October 2019. Radio transmitters were affixed to captured bats and, when possible, radio telemetry was used to locate bats in trees used for day-roosts. In 2019, three maternity roosts were identified however only two were suitable for video recording. Thermal video recording at two maternal roosts was used to identify the time of bat departure and arrival at a roost. We examined an average of 2 hours during sunset and sunrise (range = 0.9 to 5.4 hours). The time of bat departure from a roost ranged from 53 minutes before sunset to 20 minutes after sunset (n = 48, mean = 2.7 minutes...
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We examined Hawaiian hoary bat (Lasiurus semotus) presence and foraging activity at Hakalau Forest National Wildlife Refuge and Lāupahoehoe Forest Reserve on Hawai‘i Island during the 2013 koa moth (Geometridea: Scotorythra paludicola) outbreak. Hawaiian hoary bat echolocation vocalizations were recorded at seven acoustic stations between 1069 and 1200 m above sea level that operated nightly from May 2013 through September 2013. We compared these data to data collected at similar locations during 2007-2011 to determine the response of bats to increased moth abundance during 2013. In this abstract we refer to the Hawaiian hoary bat as a full species, Lasiurus semotus, following updated taxonomy for Hawaiian hoary...
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Hawaiian hoary bat insect prey sampling with paired acoustic monitoring was conducted at Keaukaha Military Reservation (KMR) on Hawaii Island from May to August, 2018. At this property, a herd of domestic goats (occasionally mixed with domestic sheep) were rotated among grazing plots as part of a weed control program managed by Hawaii Army National Guard (HIARNG). We sampled insect abundance and community within the area where goats were used for weed control to better understand if grazing ungulates attract and support potential prey for insectivorous Hawaiian hoary bats.
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Hawaiian hoary bats (Lasiurus cinereus semotus) were captured at multiple locations on the east side of Hawaii Island from May 2018 through September 2019. Radio transmitters were affixed to captured bats and, when possible, radio telemetry was used to locate bats in trees used for day-roosts. A total of 23 bat day-roosts were identified to tree and used by 18 bats (10 male; 8 female; 17 adult; 1 juvenile). Three maternity roosts were confirmed. One maternity roost was determined to be a bat that was not captured or radio-tagged but was visually located in a roost tree that was also in use by a radio-tagged bat. During the period of monitoring of telemetered bats (less than one month), multiple roosts were located...
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This data release consists of a single table that includes sample site geographic locations, insect prey abundance, and bat activity and behavior metrics. The dataset was used to develop multi-state occupancy models of foraging habitat use by Hawaiian hoary bats (Lasiurus cinereus semotus).
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Acoustic sampling for occurrence of the endangered Hawaiian hoary bat (Lasiurus cinereus semotus) was conducted at 18 "long-term" acoustic monitoring stations on 12 Hawaii Army National Guard (HIARNG) installations across the islands of Hawaii, Maui, Molokai, Oahu, and Kauai between 2012 and 2018. Hawaiian hoary bat insect prey sampling with paired acoustic monitoring was conducted at Keaukaha Military Reservation (KMR) on Hawaii Island from May to August, 2018. At this property, a herd of domestic goats (occasionally mixed with domestic sheep) were rotated among grazing plots as part of a weed control program managed by HIARNG. We sampled insect abundance and community within the area where goats were used for...
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Hawaiian hoary bat insect prey sampling with paired acoustic monitoring was conducted at Keaukaha Military Reservation (KMR) on Hawai‘i Island from May to August, 2018. At this property, a herd of domestic goats (occasionally mixed with domestic sheep) were rotated among grazing plots as part of a weed control program managed by Hawaii Army National Guard (HIARNG). Song Meter SM2BAT+ ultrasonic detectors (Wildlife Acoustics, Maynard, MA) with SMX-US ultrasonic microphones (Wildlife Acoustics, Maynard, MA) were deployed at a total of six stations, five monitoring stations (4E, 5F-I) and an additional reference station was established in an ungrazed area with similar non-native grassland habitat approximately 800-m...
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Habitat use, diet, prey availability and foraging ecology of the endangered Hawaiian hoary bat (Lasiurus cinereus semotus, Vespertilionidae), was examined in the east Maui region inclusive of the Waihou Mitigation Area, Pu‘u Makua Restoration Area and the wind power facility operated by Auwahi Wind Energy, LLC. The study was conducted to inform the mitigation and management requirements of Auwahi Wind Energy, research funding was provided by Auwahi Wind Energy, LLC (Auwahi Wind) to fulfill requirements for mitigating bat fatalities under its approved incidental take permit. Acoustic monitoring over the three-year period demonstrated that bats are present and actively feed year-round at the Waihou Mitigation Area....
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Habitat use, diet, prey availability and foraging ecology of the endangered Hawaiian hoary bat (Lasiurus cinereus semotus, Vespertilionidae), was examined in the east Maui region inclusive of the Waihou Mitigation Area, Pu‘u Makua Restoration Area and the wind power facility operated by Auwahi Wind Energy, LLC. Research funding to study bat ecology was provided by Auwahi Wind Energy, LLC in order to fulfill requirements for mitigating bat fatalities under it's approved incidental take permit. This study included the first genetic analysis of Hawaiian hoary bat diet items, and broadly confirms the major arthropod orders (Coleoptera, Lepidoptera, Diptera, Hemiptera, and Blattodea) found in previous microscopy-based...
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Hawaiian hoary bats (Lasiurus cinereus semotus) were captured at multiple locations on the east side of Hawaii Island from May 2018 through September 2019. Radio transmitters were affixed to captured bats and, when possible, radio telemetry was used to locate bats in trees used for day-roosts. In 2019, three maternity roosts were identified however only two were suitable for acoustic recording. Acoustic detectors were used to record acoustic activity (i.e., echolocation pulses) at two maternity roosts. Song Meter SM4BAT FS ultrasonic recorders (Wildlife Acoustics, Maynard, MA) with SMX-US ultrasonic microphones (Wildlife Acoustics, Maynard, MA) were deployed within 5-m of each maternity roost tree and configured...
We examined Hawaiian hoary bat (Lasiurus semotus) presence and foraging activity at Hakalau Forest National Wildlife Refuge and Lāupahoehoe Forest Reserve on Hawai‘i Island during the 2013 koa moth (Geometridea: Scotorythra paludicola) outbreak. Hawaiian hoary bat echolocation vocalizations were recorded at seven acoustic stations between 1069 and 1200 m above sea level, that operated nightly from May 2013 through September 2013. We compared these data to data collected at similar locations in 2011 to determine the response of bats to increased moth abundance during 2013. In this abstract we refer to the Hawaiian hoary bat as a full species, Lasiurus semotus, following updated taxonomy for Hawaiian hoary bats (Pinzari...
We examined Hawaiian hoary bat (Lasiurus semotus) presence and foraging activity at Hakalau Forest National Wildlife Refuge and Lāupahoehoe Forest Reserve on Hawai‘i Island during the 2013 koa moth (Geometridea: Scotorythra paludicola) outbreak. Hawaiian hoary bat echolocation vocalizations were recorded at seven acoustic stations between 1069 and 1200 m above sea level, that operated nightly from May 2013 through September 2013. We compared these data to data collected at similar locations in 2011 to determine the response of bats to increased moth abundance during 2013. This data set includes data derived from these acoustic recording stations. Each acoustic recording station was comprised of an acoustic recording...
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Hawaiian hoary bats (Lasiurus cinereus semotus) were captured at multiple locations on the east side of Hawaii Island from May 2018 through September 2019. Radio transmitters were affixed to captured bats and, when possible, radio-telemetry was used to locate bats in forest stands used for day-roosting. A roost’s forest stand was defined as a 50-m radius circle around a roost location, which was established in two ways: 1) a bat was tracked to a specific roost tree location using radio telemetry and/or visual confirmation of a bat’s presence was made, or 2) when a specific roost tree could not be identified, the multiple points and compass bearings recorded during radio-tracking were analyzed with LOAS software...
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Habitat use, diet, prey availability and foraging ecology of the endangered Hawaiian hoary bat (Lasiurus cinereus semotus, Vespertilionidae) were examined in the east Maui region inclusive of the Waihou Mitigation Area, Pu'u Makua Restoration Area and the wind power facility operated by Auwahi Wind Energy, LLC. The study was conducted to inform the mitigation and management requirements of Auwahi Wind Energy, and fulfill requirements for mitigating bat fatalities under its approved incidental take permit. Acoustic monitoring over the three-year period demonstrated that bats are present and actively feed year-round at the Waihou Mitigation Area. This study included the first genetic analysis of Hawaiian hoary bat...
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Habitat use, diet, prey availability and foraging ecology of the endangered Hawaiian hoary bat (Lasiurus cinereus semotus, Vespertilionidae), was examined in the east Maui region inclusive of the Waihou Mitigation Area, Pu‘u Makua Restoration Area. Research funding was provided by Auwahi Wind Energy, LLC, in order to fulfill its requirements for mitigating bat fatalities under its approved incidental take permit. Acoustic monitoring over the three-year period demonstrated that bats are present and actively feed year-round at the Waihou Mitigation Area. A comparison of simultaneous recordings between SM2 acoustic detectors equipped with SMX-US and newer SMX-U1 ultrasonic microphones was performed to assess whether...
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Acoustic sampling for occurrence of the endangered Hawaiian hoary bat (Lasiurus cinereus semotus) was conducted at 18 “long-term” acoustic monitoring stations on 12 Hawaii Army National Guard (HIARNG) installations across the islands of Hawaii, Maui, Molokai, Oahu, and Kauai between 2012 and 2018. Bats were confirmed as present at 10 of these installations: Kealakekua Armory, Keaukaha Military Reservation (KMR), Hanapepe Armory, Kekaha Firing Range (KFR), Puunene Training Facility, Ukumehame Firing Range (UFR), Kaunakakai Armory, Bellows Regional Training Institute, Kalaeloa, Barber’s Point, and the 487th Military Parking Facility, Wahiawā. Our acoustic sampling did not record bat vocalizations at Fort Ruger and...
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Habitat use, diet, prey availability and foraging ecology of the endangered Hawaiian hoary bat (Lasiurus cinereus semotus, Vespertilionidae), was examined in the east Maui region inclusive of the Waihou Mitigation Area, Pu‘u Makua Restoration Area and the wind power facility operated by Auwahi Wind Energy, LLC. Research for the bat ecology study was provided by Auwahi Wind Energy, LLC, in order to fulfill requirements for mitigating bat fatalities under its approved incidental take permit. Acoustic monitoring over the three-year period demonstrated that bats are present and actively feed year-round at the Waihou Mitigation Area. This study included the first genetic analysis of Hawaiian hoary bat guano items, and...
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Habitat use, diet, prey availability and foraging ecology of the endangered Hawaiian hoary bat (Lasiurus cinereus semotus, Vespertilionidae), was examined in the east Maui region inclusive of the Waihou Mitigation Area, Pu‘u Makua Restoration Area and the wind power facility operated by Auwahi Wind Energy, LLC. Research for the bat ecology study was provided by Auwahi Wind Energy, LLC, in order to fulfill requirements for mitigating bat fatalities under its approved incidental take permit. This study included the first genetic analysis of Hawaiian hoary bat guano items, and broadly confirms the major arthropod orders (Coleoptera, Lepidoptera, Diptera, Hemiptera, and Blattodea) found in previous microscopy-based...
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This data set provides the locations and corresponding elevations where insect collection, acoustic recording, or Hawaiian hoary bat (Lasiurus cinereus semotus) captures occurred as part of a study of bat activity, diet, and prey availability in the Waihou Mitigation Area, Maui. To fulfill requirements for mitigating bat fatalities under it's approved incidental take permit, Auwahi Wind Energy LLC (Auwahi Wind) provided funding for research of Hawaiian hoary bat ecology. Data from this study were collected to assess bat habitat use, diet, prey availability and foraging ecology in a restoration area created for bat habitat mitigation. We surveyed bat acoustic activity and foraging activity over a three-year period...
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Habitat use, diet, prey availability and foraging ecology of the endangered Hawaiian hoary bat (Lasiurus cinereus semotus, Vespertilionidae), was examined in the east Maui region inclusive of the Waihou Mitigation Area, Pu‘u Makua Restoration Area and the wind power facility operated by Auwahi Wind Energy, LLC. Research for the bat ecology study was provided by Auwahi Wind Energy, LLC, in order to fulfill requirements for mitigating bat fatalities under its approved incidental take permit. Acoustic monitoring over the three-year period demonstrated that bats are present and actively feed year-round at the Waihou Mitigation Area. This study included the first genetic analysis of Hawaiian hoary bat guano items, and...


map background search result map search result map Oahu multi-state occupancy models of foraging habitat use by Hawaiian hoary bats 2017 Waihou Mitigation Area, Maui Island, bat acoustic activity, diet and prey availability, 2015 to 2018 Waihou Acoustic Microphone Comparison Test 2016 Waihou Bat Guano OTU Matrix of Individuals Epp Primer 2016 to 2017 Waihou Bat Guano OTU Representative Sequences from Zeale Primer 2016 to 2017 Waihou Bat Diet Prey Items Prevalence by Family for Zeale and Epp Primer 2016 to 2017 Waihou Bat Diet Prey Items Prevalence by Order for Zeale and Epp Primer 2016 to 2017 Waihou Insect Barcode Library 2016 to 2017 Waihou Mitigation Area, Maui Island, sampling locations Hawaiian hoary bat roost acoustics, Hawaii island 2019 Hawaiian hoary bat roost departure-arrival metrics, Hawaii Island 2018-2019 Hawaiian hoary bat roost stand metrics, Hawaii Island 2018-2019 Hawaiian hoary bat roost tree metrics, Hawaii Island 2018-2019 Hawaii Army National Guard Hawaiian Hoary Bat Acoustic Monitoring 2012-2018 and Keaukaha Military Reservation Prey Study 2018 Hawaiian Hoary Bat Acoustic Data, Keaukaha Military Reservation (KMR) Hawaii Island, 2018 Hawaii Army National Guard (HIARNG) Hawaiian Hoary Bat Acoustic Long Term Data 2012-2018 Insect Count Data, Keaukaha Military Reservation (KMR) Hawaii Island, 2018 Hawaii Island, Hawaiian hoary bat acoustic data pre- and post-koa moth outbreak, 2007-2013 Hawaiian hoary bat acoustic data pre- and post-koa moth outbreak, Hawaii Island, 2011-2013 Hawaiian hoary bat acoustic detector locations pre- and post-koa moth outbreak, Hawaii Island, 2011-2013 Waihou Acoustic Microphone Comparison Test 2016 Hawaiian Hoary Bat Acoustic Data, Keaukaha Military Reservation (KMR) Hawaii Island, 2018 Insect Count Data, Keaukaha Military Reservation (KMR) Hawaii Island, 2018 Oahu multi-state occupancy models of foraging habitat use by Hawaiian hoary bats 2017 Waihou Mitigation Area, Maui Island, bat acoustic activity, diet and prey availability, 2015 to 2018 Waihou Bat Guano OTU Matrix of Individuals Epp Primer 2016 to 2017 Waihou Bat Guano OTU Representative Sequences from Zeale Primer 2016 to 2017 Waihou Bat Diet Prey Items Prevalence by Family for Zeale and Epp Primer 2016 to 2017 Waihou Bat Diet Prey Items Prevalence by Order for Zeale and Epp Primer 2016 to 2017 Waihou Insect Barcode Library 2016 to 2017 Waihou Mitigation Area, Maui Island, sampling locations Hawaii Island, Hawaiian hoary bat acoustic data pre- and post-koa moth outbreak, 2007-2013 Hawaiian hoary bat acoustic data pre- and post-koa moth outbreak, Hawaii Island, 2011-2013 Hawaiian hoary bat acoustic detector locations pre- and post-koa moth outbreak, Hawaii Island, 2011-2013 Hawaiian hoary bat roost acoustics, Hawaii island 2019 Hawaiian hoary bat roost departure-arrival metrics, Hawaii Island 2018-2019 Hawaiian hoary bat roost stand metrics, Hawaii Island 2018-2019 Hawaiian hoary bat roost tree metrics, Hawaii Island 2018-2019 Hawaii Army National Guard Hawaiian Hoary Bat Acoustic Monitoring 2012-2018 and Keaukaha Military Reservation Prey Study 2018 Hawaii Army National Guard (HIARNG) Hawaiian Hoary Bat Acoustic Long Term Data 2012-2018