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Jumping on water, surface tension-dominated jumping of water striders and robotic insects

Koh, J.S., Yang, E., Jung, G.P., Jung, S.P., Son, J.H., Lee, S.I., Jablonski, P.G., Wood, R.J., Kim, H.Y. and Cho, K.J. Jumping on water is a unique locomotion mode found in semi-aquatic arthropods, such as water striders. To reproduce this feat in a surface tension–dominant jumping robot, we elucidated the hydrodynamics involved and

By |9월 7th, 2016|Categories: Publications|0 Comments

Proximate mechanisms of detecting nut properties in a wild population of Mexican Jays (Aphelocoma ultramarina)

Jablonski, P. G., Fuszara, E., Fuszara, M., Jeong, C., & Lee, W. Y. In contrast to extensive research on optimal foraging in birds, the proximate mechanisms by which birds estimate the properties of nuts or seeds have not been well studied. Using slow-motion video-recording and experiments with modified peanuts presented to birds in

By |9월 7th, 2016|Categories: Publications|0 Comments

Camouflage through behavior in moths: the role of background matching in disruptive coloration

Kang, C., Stevens, M., Moon, J. Y., Lee, S. I., & Jablonski, P. G. Camouflage can be attained via mechanisms such as background matching (resembling the general background) and disruptive coloration (hindering the detection of an animal’s outline). However, despite much conceptual work with artificial stimuli there have to date been few studies

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Effect of sex, hunger and relative body size on the use of ripple signals in the interactions among water striders Gerris latiabdominis

Son, J. H., Han, C. S., & Jablonski, P. G. Water striders use ripple signals in aggressive interactions between individuals for access to food. We asked whether water striders produce ripple signals more frequently when they are hungrier and when the value of food resources is higher. We also asked if and how

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Effect of incubation on bacterial communities of eggshells in a temperate bird, the eurasian magpie (Pica pica)

Lee, W. Y., Kim, M., Jablonski, P. G., & Choe, J. C. Inhibitory effect of incubation on microbial growth has extensively been studied in wild bird populations using culture-based methods and conflicting results exist on whether incubation selectively affects the growth of microbes on the egg surface. In this study, we employed culture-independent methods,

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Moths use multimodal sensory information to adopt adaptive resting orientations

Kang, C., Moon, J. Y., Lee, S. I., & Jablonski, P. G. Camouflage conceals animals from predators and depends on the interplay between the morphology and behaviour of animals. Behavioural elements of animals, such as the choice of a resting spot or posture, are important for effective camouflage, as well as the animals’ cryptic

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Behavioral analysis of cloned puppies derived from an elite drug-detection dog

Choi, J., Lee, J.H., Oh, H.J., Kim, M.J., Kim, G.A., Park, E.J., Jo, Y.K., Im Lee, S. and Lee, B.C. Since the first cloned dog “Snuppy” was born, many cloned dogs have been produced by somatic cell nuclear transfer (SCNT) technology. We reported the production of seven cloned drug detection dogs (named “Toppies”) in

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Comparison of a culture-based and a PCR-based methods for estimating bacterial abundance on eggshells, with comments on statistical analyses

Lee, W. Y., Lee, K. H., Chun, J., Choe, J. C., Jablonski, P. G., & Lee, S. I. Field ornithologists have used traditional culture-based techniques to determine the presence and abundance of microbes on surfaces such as eggshells, but culture-independent PCR-based methods have recently been introduced. We compared the traditional culture-based and the real-time

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Direct Look from a Predator Shortens the Risk-Assessment Time by Prey

Hwang, S., Joe, Y. E., Cha, H. K., Joo, G. H., Lee, H. J., Kim, J. W., & Jablonski, P. G. Decision making process is an important component of information use by animals and has already been studied in natural situations. Decision making takes time, which is expressed as a cost in evolutionary explanations

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Cryptically patterned moths perceive bark structure when choosing body orientations that match wing color pattern to the bark pattern

Kang, C. K., Moon, J. Y., & Jablonski, P. G. Many moths have wing patterns that resemble bark of trees on which they rest. The wing patterns help moths to become camouflaged and to avoid predation because the moths are able to assume specific body orientations that produce a very good match between

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