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Grouping behaviour displayed by animals is usually attributed to predation and foraging-related benefits. The mechanisms of predator protection and foraging efficiency are diverse and often produce conflicting drivers of grouping behaviour. One key conflict is that between group size and phenotypic oddity. Theoretically, individuals should choose the largest available group due to multiple mechanisms associated with “safety in numbers”. However, individuals should also choose the most phenotypically similar group members due to the “predator confusion effect”. This conflict is particul...

Whether it’s blackbirds in Sweden, moths in Borneo, or mice in California, animals around the world are on the move thanks to climate change. Species are shifting higher up mountains and closer to the poles as global temperatures rise, following the climate conditions to which they’re adapted. Their futures depend not only on their changing natural environment but the countries in which they happen to live. As conservation scientists, we need to know how species will move between countries to understand how they’re likely to fare. National borders define where the authority of laws and ...

An artist in control, another artist embracing the unknown at Galatea Fine Art By Cate McQuaid Globe Correspondent,Updated December 15, 2020, 6:25 p.m. Email to a Friend James Varnum's "Emerald Shoals."James Varnum (Custom credit)/Courtesy Galatea Fine Art Some artists are painstaking. Others rely on chance. Printmaker Patrick Casey and painter James C. Varnum present the two ends of that spectrum at Galatea Fine Art. Casey prints his reduction woodcuts in one color, then carves into the woodblock (reducing it) before inking on a new tone. It’s an intricate, labor-intensive process. Stil...