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Ernest Williams
New Scientist Quotes Williams on Butterfly Migration

New Scientist magazine quoted Ernest Williams, the William R. Kenan Professor of Biology,  in “The chilly secret to monarch migration,” an article that examined possible trigger prompting these butterflies to leave the warmth of Mexico to travel to the United States in the spring. In the Feb. 17 article, Williams commented on how warming temperatures might change migration patterns.  More ...

Williams Publishes Article and Photos in American Butterflies

“Microclimates and the Survival of Overwintering Monarchs” by William R. Kenan Professor of Biology Ernest Williams was published in the summer issue of American Butterflies magazine.  More ...

A Yellowstone checkerspot butterfly, as pictured on the cover of <em>Journal of the Lepidopterists' Society.</em>
Williams Publishes in Journal of the Lepidopterists' Society

Ernest Williams, the William R. Kenan Professor of Biology, published an article titled “Population Loss and Gain in the Rare Butterfly Euphydryas gillettii (Nymphalidae)” in Journal of the Lepidopterists' Society (66:147-155).  This study revealed some of the effects of climate change on living organisms.  More ...

Ernest Williams
Williams Gives Paper at International Monarch Conference

Professor of Biology Ernest Williams participated in the international conference on Monarch Biology and Conservation June 21-23 in Minneapolis,where he gave a talk on “Microclimatic benefits of the high elevation oyamel fir forest.”  More ...

Ernest Williams
Williams Publishes Articles in Ecology Journals

Two articles by Christian A. Johnson Excellence in Teaching Professor of Biology Ernest Williams were published recently. “Long term effects of climate on two pond predators” appeared in the April issue of American Midland Naturalist, an international journal on ecology, evolution and the environment. Previously available only online, “Decline of monarch butterflies overwintering in Mexico: Is the migratory phenomenon at risk?” was published in the March print issue of Insect Conservation and Diversity.  More ...

Ernest Williams
Williams Gives Invited Lecture at Boston University

Professor of Biology Ernest Williams gave an invited lecture, "Population Trends and Overwinter Survival in Monarch Butterflies," to the Biology Department at Boston University on Jan. 23.  More ...

monarchs in flight
TIME for Kids Quotes Williams on Monarchs

Time for Kids, a a weekly classroom news magazine produced by TIME Inc. that covers “a wide range of real-world topics,” focused its Sept. 30 issue on monarch butterflies. Professor of Biology Ernest Williams was quoted extensively throughout the two lead articles that also referenced his recently published study on the decline of monarchs.  More ...

Ernest Williams
New York Times Quotes Williams on Monarch Decline

“This is the first time we have the data that we can analyze statistically that shows there’s a downward trend [in monarch butterfly populations],” said Professor of Biology Ernest H. Williams in a July 11 New York Times article titled “In Midwest, Flutters May Be Far Fewer.” Williams is the co-author of “Decline of monarch butterflies overwintering in Mexico: is the migratory phenomenon at risk?” recently published in the journal Insect Conservation and Diversity.  More ...

Williams Publishes Article in Lepidopterists’ Journal

An article co-authored by Ernest Williams, the Christian A. Johnson Excellence in Teaching Professor of Biology, appears in the current issue of the Journal of the Lepidopterists’ Society. “Overwintering clusters of the monarch butterfly coincide with the least hazardous vertical temperatures in the oyamel forest” presents the results of the authors’ study of the impact of temperature on the survival of monarch butterflies overwintering in Mexico.  More ...

Ernest Williams
Williams Publishes Monarch Butterfly Article

An article co-authored by Ernest Williams, the Christian A. Johnson Excellence in Teaching Professor of Biology, recently appeared online in the journal Insect Conservation and Diversity. “Decline of monarch butterflies overwintering in Mexico: is the migratory phenomenon at risk?” will appear in a forthcoming print issue of the publication, which is a journal of the Royal Entomological Society.  More ...

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