Northern Bat Eptesicus nilssonii (Keyserling and Blasius, 1839)

Suominen, Kati; Kotila, Miika; Blomberg, Anna; Pihlström, Henry; Ilyukha, V. A.; Lilley, Thomas M.

doi:10.1007/978-3-319-65038-8_45-1

Cited by 11 publications

(13 citation statements)

References 107 publications

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“…Alternatively, bats could migrate to feed in the north, where the conditions for breeding may not be optimal, but insect prey is abundant nevertheless (de Jong and Ahlén 1991). This type of mid‐distance, within‐season vagrant behaviour could be more expected of E. nilssonii due to its tendency for mid‐distance migratory behaviour (Hutterer et al 2005, Suominen et al 2020), but would be a novel and unexpected finding for Myotis spp. Similar post‐breeding, northwards vagrant behaviour prior to the southwards autumn migration has been observed in several bird species and is potentially linked with prospecting of the future breeding sites (Newton 2007).…”

Section: Discussionmentioning

confidence: 73%

“…Eptesicus nilssonii and P. nathusii are aerial hawking insectivores leaning into utilizing open space and edges of vegetation in their foraging flight (Rydell 1993, Suominen et al 2020). Especially E. nilssonii commonly forage in open environments and do not avoid illuminated areas as actively as the Myotis species, which prefer more closed and forested environments (Vasko et al 2020) and avoid light (Lacoeuilhe et al 2014, Azam et al 2018).…”

Section: Methodsmentioning

confidence: 99%

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Large‐scale long‐term passive‐acoustic monitoring reveals spatio‐temporal activity patterns of boreal bats

et al. 2023

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The distribution ranges and spatio-temporal patterns in the occurrence and activity of boreal bats are yet largely unknown due to their cryptic lifestyle and lack of suitable and efficient study methods. We approached the issue by establishing a permanent passive-acoustic sampling setup spanning the area of Finland to gain an understanding on how latitude affects bat species composition and activity patterns in northern Europe. The recorded bat calls were semi-automatically identified for three target taxa; Myotis spp., Eptesicus nilssonii or Pipistrellus nathusii and the seasonal activity patterns were modeled for each taxa across the seven sampling years (2015-2021). We found an increase in activity since 2015 for E. nilssonii and Myotis spp. For E. nilssonii and Myotis spp. we found significant latitude -dependent seasonal activity patterns, where seasonal variation in patterns appeared stronger in the north. Over the years, activity of P. nathusii increased during activity peak in June and late season but decreased in mid season. We found the passive-acoustic monitoring network to be an effective and costefficient method for gathering bat activity data to analyze spatio-temporal patterns. Long-term data on the composition and dynamics of bat communities facilitates better estimates of abundances and population trend directions for conservation purposes and predicting the effects of climate change.

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Section: Discussionmentioning

confidence: 73%

Section: Methodsmentioning

confidence: 99%

Large‐scale long‐term passive‐acoustic monitoring reveals spatio‐temporal activity patterns of boreal bats

et al. 2023

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“…Eptesicus nilssonii , contributed to 70% of the bat passes recorded in all habitats and throughout the survey season. Eptesicus nilssonii has historically been one of the most common bat species in Fennoscandia (Rydell 1993, Tidenberg et al 2019, Suominen et al 2022) but recently sharp population declines have been observed ( Rydell et al 2018, Rydell et al 2020, Eldegard et al 2021) resulting in its national conservation status shifting from ‘Least Concern' to ‘Near Threatened' and ‘Vulnerable' in Sweden and Norway, respectively (Eide et al 2020, Eldegard et al 2021). Eptesicus nilssonii is a species that has been reported as fatalities at wind parks in Norway and Sweden (Follestad et al 2007, Rydell et al 2017) and so wind parks – such as the one in this study – where their activity is high, should be aware of the potential risk to this species which is already experiencing population declines.…”

Section: Discussionmentioning

confidence: 99%

Wind energy development can lead to guild‐specific habitat loss in boreal forest bats

McKay,

Johns,

Bischof

et al. 2024

Wildlife Biology

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Forest management rarely considers protecting bats in Fennoscandian regions although all species rely on forest habitat at some point in their annual cycle. This issue is especially evident as wind parks have increasingly been developed inside Fennoscandian forests, against the advice of international bat conservation guidelines. In this study, we aimed to describe and explain bat community dynamics at a Norwegian wind park located in a boreal forest, especially to understand potential avoidance or attraction effects. The bat community was sampled acoustically and described using foraging guilds (short, medium, and long‐range echolocators; SRE, MRE, LRE) as well as behavior (commuting, feeding and social calls). Sampling was undertaken at two locations per turbine: 1) the turbine pad and 2) a paired natural habitat at ground level, as well as from a meteorological tower. We used a recently developed method for camera trapping nocturnal flying insects synchronously with bat acoustic activity. Our results reveal trends in feeding and general bat activity across foraging guilds in relation to insect availability, habitat type, wind, temperature, and seasonality. We show how seasonal patterns in behavior across guilds were affected by habitat type, temperature, and wind. We found that SRE commuting and especially feeding activity was highest in natural habitats, whereas LRE overall activity at habitats more season dependent. We found that nocturnal insect availability was positively correlated with total bat feeding activity throughout the night. Our results provide evidence for both direct and indirect risks to bat communities by wind parks: SRE bat habitat is lost to wind energy infrastructure and LRE bat may have an increased risk of fatality. Our findings provide important insights on seasonal and spatial variability in bat activity, which can inform standardizing monitoring of bats acoustically in boreal forests, at wind parks, and in combination with non‐invasive insect monitoring.

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“…So far, no reports exist on the dispersal behavior of the focal species in our study ( Díaz et al 2019 ). However, they bear rather close affinity to E. fuscus , in which even female dispersal and gene flow have been observed ( Vonhof et al 2008 ), a behavior however lacking in the Palearctic counterpart, Eptesicus nilssonii ( Suominen et al 2022 ). Therefore, we cannot simply assume one or the other for our focal species.…”

Section: Discussionmentioning

confidence: 99%

Whole-genome Analysis Reveals Contrasting Relationships Among Nuclear and Mitochondrial Genomes Between Three Sympatric Bat Species

Laine

Sävilammi

Wahlberg

et al. 2022

Genome Biology and Evolution

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Understanding mechanisms involved in speciation can be challenging, especially when hybridization or introgression blurs species boundaries. In bats resolving relationships of some closely related groups has proven difficult due subtle interspecific variation both in morphometrics and molecular datasets. The endemic South American Histiotus bats, currently considered a sub-genus of Eptesicus, harbor unresolved phylogenetic relationships and of those is a trio consisting of two closely related species: Eptesicus (Histiotus) macrotus and E. (H.) montanus, and their relationship with a third, E. (H.) magellanicus. The three sympatric species bear marked resemblance to each other, but can be differentiated morphologically. Furthermore, previous studies have been unable to differentiate the species from each other at a molecular level. In order to disentangle the phylogenetic relationships of these species, we examined the differentiation patterns and evolutionary history of the three Eptesicus (H.) species from Chile at the whole genome level. The nuclear DNA statistics between the species suggest strong gene flow and recent hybridization between E. (H.) montanus and E. (H.) macrotus, whereas E. (H.) magellanicus shows a higher degree of isolation. In contrast, mitochondrial DNA shows a closer relationship between E. (H.) magellanicus and E. (H.) montanus. Opposing patterns in mtDNA and nuclear markers are often due to differences in dispersal, and here it could be both as result of isolation in refugia during the last glacial maximum and female philopatry and male-biased dispersal. In conclusion, this study shows the importance of both the nuclear and mitochondrial DNA in resolving phylogenetic relationships and species histories.

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Northern Bat Eptesicus nilssonii (Keyserling and Blasius, 1839)

Cited by 11 publications

References 107 publications

Large‐scale long‐term passive‐acoustic monitoring reveals spatio‐temporal activity patterns of boreal bats

Large‐scale long‐term passive‐acoustic monitoring reveals spatio‐temporal activity patterns of boreal bats

Wind energy development can lead to guild‐specific habitat loss in boreal forest bats

Whole-genome Analysis Reveals Contrasting Relationships Among Nuclear and Mitochondrial Genomes Between Three Sympatric Bat Species

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