Movement seasonality in a desert-dwelling bat revealed by miniature GPS loggers (Conenna et al. 2019)

When using this dataset, please cite the original article.

Conenna I, López-Baucells A, Rocha R, Ripperger S, Cabeza M (2019) Movement seasonality in a desert-dwelling bat revealed by miniature GPS loggers. Movement Ecology 7:27. doi:10.1186/s40462-019-0170-8

Additionally, please cite the Movebank data package:

Conenna I, López-Baucells A, Rocha R, Ripperger S, Cabeza M (2019) Data from: Movement seasonality in a desert-dwelling bat revealed by miniature GPS loggers. Movebank Data Repository. doi:10.5441/001/1.n157b4n8
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File Identifier doi:10.5441/001/1.n157b4n8/1  
 
Description Background: Bats are among the most successful desert mammals. Yet, our understanding of their spatio-temporal dynamics in habitat use associated with the seasonal oscillation of resources is still limited. In this study, we have employed state-of-the-art lightweight GPS loggers to track the yellow-winged bat Lavia frons in a desert in northern Kenya to investigate how seasonality in a desert affects the a) spatial and b) temporal dimensions of movements in a low-mobility bat. Methods: Bats were tracked during April–May 2017 (rainy season) and January–February 2018 (dry season) using 1-g GPS loggers. Spatial and temporal dimensions of movements were quantified, respectively, as the home range and nightly activity patterns. We tested for differences between seasons to assess responses to seasonal drought. In addition, we quantified home range overlap between neighbouring individuals to investigate whether tracking data will be in accordance with reports on territoriality and social monogamy in L. frons. Results: We obtained data for 22 bats, 13 during the rainy and 9 during the dry season. Home ranges averaged 5.46 ± 11.04 ha and bats travelled a minimum distance of 99.69 ± 123.42 m/hour. During the dry season, home ranges were larger than in the rainy season, and bats exhibited high activity during most of the night. No apparent association with free water was identified during the dry season. The observed spatial organisation of home ranges supports previous observations that L. frons partitions the space into territories throughout the year. Conclusions: Our results suggest that, in low-mobility bats, a potential way to cope with seasonally harsh conditions and resource scarcity in deserts is to cover larger areas and increase time active, suggesting lower cost-efficiency of the foraging activity. Climate change may pose additional pressures on L. frons and other low-mobility species by further reducing food abundances.
Keywords animal movement, animal tracking, GPS logger, Kenya, Lavia frons, yellow-winged bat,
Scientific Names Lavia frons
Contained in Data Package Data from: Movement seasonality in a desert-dwelling bat revealed by miniature GPS loggers.

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