...Mattina M. Alonge; Lucas J. S. Greville; Xuehao Ma; Paul A. Faure; George E. Bentley ABSTRACT Animals face unpredictable challenges that require rapid, facultative physiological reactions to support survival but may compromise reproduction. Bats have a long-standing reputation for being highly...

... costs. To date, however, no studies have gauged whether there are significant energetic costs to social call production in bats, which heavily rely on acoustic communication for a diversity of social tasks. We measured energetic expenditure during acoustic signaling in Spix's disc-winged bats...

...Te K. Jones; Cynthia F. Moss ABSTRACT Studies have shown that bats are capable of using visual information for a variety of purposes, including navigation and foraging, but the relative contributions of visual and auditory modalities in obstacle avoidance has yet to be fully investigated...

...Alyson F. Brokaw; Michael Smotherman ABSTRACT Many studies have characterized olfactory-tracking behaviors in animals, and it has been proposed that search strategies may be generalizable across a wide range of species. Olfaction is important for fruit- and nectar-feeding bats, but it is uncertain...

...Peter A. Wagenhäuser; Lutz Wiegrebe; A. Leonie Baier ABSTRACT Many echolocating bats forage close to vegetation – a chaotic arrangement of prey and foliage where multiple targets are positioned behind one another. Bats excel at determining distance: they measure the delay between the outgoing call...

... premaxilla bones of the upper jaw develop abnormally. However, ∼50% of bat species have natural, non-pathological cleft palates. We used the family Vespertilionidae as a model and linear and geometric morphometrics within a phylogenetic framework to (1) explore evolutionary patterns in cleft morphology...

... is limited, however, and is nearly nonexistent for bats, the only mammals capable of powered flight. We investigated perturbation recovery in Carollia perspicillata by administering a well-defined jet of compressed air, equal to 2.5 times bodyweight, which induced two types of disturbances, termed aerial...

... detailed insight into the animals' daily life. In this Review, we discuss the possibilities, advantages and limitations of on-board acoustic recordings. We focus primarily on bats as their active-sensing, echolocating lifestyle allows many approaches to a multi-faceted acoustic assessment...

...Yosuke Maitani; Kazuma Hase; Kohta I. Kobayasi; Shizuko Hiryu ABSTRACT When flying in a group, echolocating bats have to separate their own echoes from pulses and echoes belonging to other individuals to extract only the information necessary for their own navigation. Previous studies have...

... of fatty acids as an oxidative fuel in noctule bats ( Nyctalus noctula ). Pre-hibernating noctule bats that were fed 13 C-enriched linoleic acid (LA) showed 12 times higher tracer oxidation rates compared with conspecifics fed 13 C-enriched palmitic acid (PA). After this experiment, we supplemented...

...-0248.2001.00255.x Bradbury , J. W. ( 1977 ). Lek mating behavior in the hammer-headed bat . Z. Tierpsychol.   45 , 225 - 255 . 10.1111/j.1439-0310.1977.tb02120.x Burness , G. , Casselman , S. J. , Schulte-Hostedde , A. I. , Moyes , C. D. and Montgomerie , R. ( 2004...

..., the capacity for paracellular nutrient absorption seems greater in flying mammals than in nonflying mammals, but there has been little investigation of the mechanisms driving this difference. Therefore, we studied three species each of bats ( Artibeus lituratus, Sturnira lilium and Carollia perspicillata...

...Graeme Ruxton Powered flight has evolved three times in the vertebrates: in the birds, the bats and the extinct pterosaurs. The largest bats ever known are at least an order of magnitude smaller than the largest members of the other two groups. Recently, it was argued that different scaling...

... to the power required for sustained aerobic flight. Here, we report new wingbeat frequency data for 27 morphologically diverse bat species representing nine families, and additional data from the literature for another 38 species, together spanning a range from 2.0 to 870 g. For these species, wingbeat...

... uptake of glucose in the WAT. Two glucose transporters (GLUT4 and GLUT8) are utilized for transport of glucose in the WAT during adipogenesis in the bat. The bats showed high insulin and glucose levels, but a reduction in insulin receptor protein during the period of fat deposition, suggesting insulin...

...Daniel K. Riskin; José Iriarte-Díaz; Kevin M. Middleton; Kenneth S. Breuer; Sharon M. Swartz SUMMARY In this study we compared the wing kinematics of 27 bats representing six pteropodid species ranging more than 40 times in body mass ( M b =0.0278–1.152 kg), to determine whether wing posture...

...Chen Chiu; Puduru Viswanadha Reddy; Wei Xian; Perinkulam S. Krishnaprasad; Cynthia F. Moss SUMMARY Foraging and flight behavior of echolocating bats were quantitatively analyzed in this study. Paired big brown bats, Eptesicus fuscus , competed for a single food item in a large laboratory flight...

...Tess Driessens; Björn M. Siemers SUMMARY Recognition and avoidance of predators is fundamental for the survival of prey animals. Here we conducted the first study assessing chemosensory predator recognition in cave-dwelling bats. We used a Y-maze approach to test the reaction of greater mouse-eared...

... kinematics of bats, Glossophaga soricina, flying in a wind tunnel over a range of flight speeds (1–7 m s −1 ) was determined from high-speed video. The results were compared with the wake geometry and quantitative wake measurements obtained simultaneously to the kinematics. The wingbeat kinematics varied...

...Jesse R. Barber; Brad A. Chadwell; Nick Garrett; Barbara Schmidt-French; William E. Conner SUMMARY Naïve red ( Lasiurus borealis Müller) and big brown( Eptesicus fuscus Beauvois) bats quickly learn to avoid noxious sound-producing tiger moths. After this experience with a model tiger moth,bats...