Foraging Behavior of the Common Vampire Bat Related to Moonlight

Crespo, Raúl Flores; Linhart, Samuel B.; Burns, Richard J.; Mitchell, G. Clay

doi:10.2307/1379175

Cited by 58 publications

(30 citation statements)

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“…Nevertheless, during full Moon nights the Mexican fruit bat (Artibeus jamaicensis [71]) decreases its activity, and the eastern tube-nosed bat (Nyctimene robinsoni) has significantly lower body temperature, reflecting reduced activity [72]. Common vampire bat Desmodus rotundus are most active during new Moon nights and darker periods of the night, and most bats do not leave their roost during full Moon nights [73]. Fruits (and prey of vampire bats) availability should be similar in full and new Moon nights, but may be easier to find during full Moon lights, so it is possible that the bats are able to forage more efficiently during moonlit nights, and therefore need to invest less time in foraging.…”

Section: (D) Mammalsmentioning

confidence: 99%

Chronobiology by moonlight

et al. 2013

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Most studies in chronobiology focus on solar cycles (daily and annual). Moonlight and the lunar cycle received considerably less attention by chronobiologists. An exception are rhythms in intertidal species. Terrestrial ecologists long ago acknowledged the effects of moonlight on predation success, and consequently on predation risk, foraging behaviour and habitat use, while marine biologists have focused more on the behaviour and mainly on reproduction synchronization with relation to the Moon phase. Lately, several studies in different animal taxa addressed the role of moonlight in determining activity and studied the underlying mechanisms. In this paper, we review the ecological and behavioural evidence showing the effect of moonlight on activity, discuss the adaptive value of these changes, and describe possible mechanisms underlying this effect. We will also refer to other sources of night-time light (‘light pollution’) and highlight open questions that demand further studies.

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Section: (D) Mammalsmentioning

confidence: 99%

Chronobiology by moonlight

et al. 2013

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“…Project 2 (Vertical stratification of bats) ran for one year, from August 1996 to August 1997. We avoided sampling during third-quarter and full moon when light intensity is usually high and bat activity is mostly low (Crespo et al, 1972;Morrison, 1978). All mistnets were 12 m long and 2.5 m high, with four shelves and mesh dimensions of 1.5-3 ¥ 1.5-3 cm.…”

Section: Mistnetting Of Batsmentioning

confidence: 99%

A Biodiversity Assessment of Bats (Chiroptera) in a Tropical Lowland Rainforest of Central Amazonia, Including Methodological and Conservation Considerations

Sampaio¹,

Kalko²,

Bernard³

et al. 2003

Studies on Neotropical Fauna and Environment

174

114

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In our study of bat diversity in the Amazon Basin, we captured bats in undisturbed continuous forest and in forest fragments at the Biological Dynamics of Forest Fragments Project (BDFFP) near Manaus, Brazil, from January 1996 until July 1999. We recorded 72 species of bats in a sample of more than 7700 individuals caught during 29,900 mistnet hours in terra-firme forest. Species accumulation curves and mathematical estimates of species numbers based on the number of species captured with standardized methodology suggest that we sampled about 95% of the entire expected bat fauna of the area, including aerial insectivorous bats. Our results are similar to those of other mistnetting inventories of Amazonian bat assemblages in terms of species composition and number of species per bat family. Some species considered widespread in Central Amazonia and expected at our study site were not recorded. We interpret their absence as effects of sampling bias and of local ecological conditions. We know from acoustic monitoring (i.e., identification of bats by their echolocation calls) that our mistnet data are incomplete for aerial insectivorous species. We conclude that the development of comprehensive inventories of key vertebrate taxa such as bats derived from a combination of several standardized sampling procedures is essential to develop meaningful, conservation-oriented plans for land-use and management of protected areas.

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“…A fobia lunar já foi confirmada em espécies de morcegos frugívoros, como Artibeus jamaicensis Leach, 1821(MORRISON, 1978, 1980 e hematófagos, Desmodus rotundus (E. Geoffroy, 1810) (CRESPO et al, 1972). No entanto, morcegos insetívoros não alteraram o comportamento em noites com maior luminosidade (NEGRAEFF & BRIGHAM, 1995;HECKER & BRIGHAM, 1999;KARLSSON et al, 2002) ou usaram locais mais sombreados (REITH, 1982).…”

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Influência do ciclo lunar na captura de morcegos Phyllostomidae

Esbérard

2007

Iheringia, Sér. Zool.

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ABSTRACT. Influence of moon cycle in phyllostomid bat capture. The influence of moonlight on the activity patterns of bats has been reported to some species. In general, bats react to the increase of nocturnal illumination by reducing the use of open spaces, by limiting foraging activity or by shortening the activity periods. To determine the influence of moon cycle on the efficiency of bat netting, captures of 28 night-samplings were analyzed in southeastern Brazil. The capture rate and species richness were inversely related to the moonlight intensity. Among the most frequently netted species, only two showed significant and negative relation with increasing moonlight. The highest variation in species richness was observed in gleaners and nectarivorous species. The days following new moon were the most productive in terms of capture rate and species richness. The local species richness was not archived when sampling was restricted to any single period of the moon cycle. Bat community studies may benefit from samplings spanning the entire moon cycle.KEYWORDS. Lunar phobia, sampling methods, southeastern Brazil, bats. RESUMO.A influência da luz da lua no padrão de atividade de morcegos já foi documentada em algumas espécies. Geralmente os morcegos reagem ao aumento da iluminação reduzindo o uso de espaços abertos e restringindo a atividade de forrageio ou a duração do período de atividade. Para estabelecer a influência do ciclo lunar na eficiência de captura de morcegos, foi realizada uma análise com 28 noites de capturas no sudeste do Brasil. A taxa de captura e a riqueza de espécies apresentaram relação linear inversa com a porção iluminada pela lua. Das espécies mais freqüentemente capturadas, apenas duas apresentaram relação significativa e negativa com o aumento da iluminação pela lua. Maiores variações na riqueza de espécies foram observadas em morcegos catadores e nectarívoros. Os dias após a lua nova são os mais produtivos em relação a capturas e riqueza. A riqueza local não pode ser totalmente amostrada se a amostragem for restrita a qualquer período do ciclo lunar. Para estudar a comunidade de morcegos é mais apropriado realizar amostragem durante todo o ciclo lunar. PALAVRAS-CHAVE.Fobia lunar, métodos de amostragem, sudeste do Brasil, morcegos.

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Foraging Behavior of the Common Vampire Bat Related to Moonlight

Cited by 58 publications

References 3 publications

Chronobiology by moonlight

Chronobiology by moonlight

A Biodiversity Assessment of Bats (Chiroptera) in a Tropical Lowland Rainforest of Central Amazonia, Including Methodological and Conservation Considerations

Influência do ciclo lunar na captura de morcegos Phyllostomidae

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