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Author |
Musila, S.; Bogdanowicz, W.; Syingi, R.; Zuhura, A.; Chylarecki, P.; Rydell, J. |
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Title |
No lunar phobia in insectivorous bats in Kenya |
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Journal Article |
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Year |
2019 |
Publication |
Mammalian Biology |
Abbreviated Journal |
Mammalian Biology |
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Volume |
95 |
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77-84 |
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Keywords  |
Animals |
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Abstract |
We monitored foraging insectivorous bats along walked transects in forest and farmland at Arabuko-Sokoke Forest in coastal Kenya, using a heterodyne bat detector. The main purpose was to test whether aerial-hawking insectivorous bats that feed in open places (in this case mostly Scotophilus and Scotoecus spp.) show lunar phobia, i.e. restricting their activity on moonlit nights. Such behavior would be an expected response to the threat posed by visually oriented aerial predators such as bat hawks, owls and carnivorous bats. The occurrence of lunar phobia in bats is a controversial issue and may have implications for how bats will be affected by increasing light pollution. Our results show that foraging activity of the bats that we studied was related to time of day, season, and habitat, albeit with no additional effect of moonlight discernable. We therefore conclude that foraging activity occurs independently of moonlight. This result is partly at odds with previous findings including predictions from a meta-analysis of lunar phobia in bats, which indicates that lunar phobia is common in these animals, though most likely to be present in tropical species that feed in open situations near vegetation and over water. Equally, our results conform to findings from studies of aerial insectivorous bats in tropical as well as temperate areas, most of which have failed to reveal any clear evidence of lunar phobia. We believe that moonlight generally does not facilitate aerial predation on flying bats in open situations, or, alternatively, the bats accept increased predation pressure while they fulfil the energetic requirements through hunting. |
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1616-5047 |
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GFZ @ kyba @ |
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2269 |
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Author |
Wickham, D.A. |
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Title |
Attracting and Controlling Coastal Pelagic Fish with Nightlights |
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Journal Article |
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Year |
1973 |
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Transactions of the American Fisheries Society |
Abbreviated Journal |
Transactions of the American Fisheries Society |
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Volume |
102 |
Issue |
4 |
Pages |
816-825 |
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Keywords |
Animals |
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Field experiments were conducted in the northeastern Gulf of Mexico to evaluate techniques for using sequentially‐operated lamp strings and moving lamps to lead and concentrate light‐attracted coastal pelagic fishes. Fish were successfully led between sequentially‐operated under‐water lamps separated by distances up to 20 meters. Mobile lamps were used to lead fish distances up to approximately 1 kilometer. Fish aggregations which form daily around man‐made structures were held after dark and led clear with moving lamps for capture by purse seine. A combination of nightlighting and man‐made structure fish attraction techniques are proposed for harvesting coastal pelagic fish aggregations which occur around existing petroleton drilling platforms, well heads, and other areas presently inaccessible to conventional fishing gear. |
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0002-8487 |
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GFZ @ kyba @ |
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2452 |
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Winger, B.M.; Weeks, B.C.; Farnsworth, A.; Jones, A.W.; Hennen, M.; Willard, D.E. |
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Title |
Nocturnal flight-calling behaviour predicts vulnerability to artificial light in migratory birds |
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Journal Article |
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2019 |
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Proceedings. Biological Sciences |
Abbreviated Journal |
Proc Biol Sci |
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286 |
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1900 |
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20190364 |
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animals |
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Understanding interactions between biota and the built environment is increasingly important as human modification of the landscape expands in extent and intensity. For migratory birds, collisions with lighted structures are a major cause of mortality, but the mechanisms behind these collisions are poorly understood. Using 40 years of collision records of passerine birds, we investigated the importance of species' behavioural ecologies in predicting rates of building collisions during nocturnal migration through Chicago, IL and Cleveland, OH, USA. We found that the use of nocturnal flight calls is an important predictor of collision risk in nocturnally migrating passerine birds. Species that produce flight calls during nocturnal migration tended to collide with buildings more than expected given their local abundance, whereas those that do not use such communication collided much less frequently. Our results suggest that a stronger attraction response to artificial light at night in species that produce flight calls may mediate these differences in collision rates. Nocturnal flight calls probably evolved to facilitate collective decision-making during navigation, but this same social behaviour may now exacerbate vulnerability to a widespread anthropogenic disturbance. Our results also suggest that social behaviour during migration may reflect poorly understood differences in navigational mechanisms across lineages of birds. |
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4 Gantz Family Collections Center, The Field Museum , 1400 South Lake Shore Drive, Chicago, IL 60605 , USA |
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0962-8452 |
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PMID:30940055 |
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Call Number |
GFZ @ kyba @ |
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2287 |
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Author |
Stone, W. |
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Title |
Some Light on Night Migration |
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Journal Article |
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Year |
1906 |
Publication |
The Auk |
Abbreviated Journal |
The Auk |
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Volume |
23 |
Issue |
3 |
Pages |
249-252 |
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animals |
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0004-8038 |
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GFZ @ kyba @ |
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2288 |
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Author |
Dutcher, W. |
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Title |
Bird Notes from Long Island, N. Y |
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Journal Article |
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Year |
1884 |
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The Auk |
Abbreviated Journal |
The Auk |
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1 |
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2 |
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174-179 |
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Keywords |
Animals |
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For the purpose of determining the date of migration, the species migrating, and the numbers that are destroyed by striking a light house during a spring and fall migration, I have for the past two years received all the birds killed by flying against Fire Island Light. |
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0004-8038 |
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GFZ @ kyba @ |
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2290 |
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