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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

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

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

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

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

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

Moths on tree trunks seek out more cryptic positions when their current crypticity is low

Kang, C. K., Moon, J. Y., & Jablonski, P. G. Many animals use camouflage to avoid predation. Their crypticity, that is, the degree of a visual match between the animal's body and the background, affects their survival. Therefore, they may develop the ability to choose an appropriate background, which matches the animal's own colour

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

Warning signals confer advantage to prey in competition with predators, bumblebees steal nests from insectivorous birds

Jablonski, P. G., Cho, H. J., Song, S. R., & Kang, C. K. Aposematic (warning) signals of prey help predators to recognize the defended distasteful or poisonous prey that should be avoided. The evolution of aposematism in the context of predation has been in the center of modern ecology for a long time. But,

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

Genetic Composition of Communal Roosts of the Eurasian Magpie (Pica pica) Inferred from Non-Invasive Samples

Lee, W. Y., Jablonski, P. G., & Choe, J. C. Many animal species form communal roosts in which they aggregate and sleep together. Several benefits of communal roost have been suggested, but due to lack of data on relatedness among group members, it is unknown whether these benefits can be amplified by the formation

By |9월 6th, 2016|Categories: Publications|0 Comments

Urban and Natural Components of Korean Magpie (Pica pica sericea) Territories and Their Effects on Prey Density

Kim, S., Srygley, R. B., Lee, J. Y., Lee, S. I., & Choe, J. C. Urban landscapes have a negative impact on bird species diversity, yet particular species thrive in urban communities. Like many other corvids, the Korean magpie is a successful colonizer of urban environments. On the semi-urban campus of Seoul National

By |9월 6th, 2016|Categories: Publications|0 Comments

Hunger is not the Only Determinant of Nestling Begging Behavior and Parental Feeding in the Black-Billed Magpie Pica pica

Lee, S. I., Choi, J., & Choe, J. C. Nestlings can employ a combination of tactics to obtain provisioning from the parents. In this observational study, we examined whether nestling begging behavior reflects hunger level and how parents respond to nestling begging in the Black-billed Magpie Pica pica by putting small video-cameras in six

By |9월 6th, 2016|Categories: Publications|0 Comments

Molecular Tools for Species and Sex Identification in the Mixed-Species Flocks of Bean Geese and White-Fronted Geese

Kim, M. K., Lee, S. I., Lee, H., & Lee, S. Genetic studies on protected species can be difficult, particularly when they form a mixed-species flock with other species. The bean goose (Anser fabalis), which is internationally recognized as a threatened species, was observed to form overwintering foraging flocks with white-fronted goose (Anser albifrons)

By |9월 6th, 2016|Categories: Publications|0 Comments

Egg color polymorphism and morph-ratio variation in Korean populations of the Vinous-throated Parrotbill

Lee, J. W. & Jablonski, P. G. Understanding the occurrence of multiple distinct phenotypes in a population of a species, i.e., polymorphism, is one of the challenges encountered in evolutionary biology. Egg color polymorphism in birds is one example of morphological polymorphism and disruptive selection has been proposed as a hypothetical mechanism to explain

By |9월 6th, 2016|Categories: Publications|0 Comments