Evolution in an Urbanizing World
Nesting Site and Plumage Color Are the Main Traits Associated with Bird Species Presence in Urban Areas Lucas M. Leveau & Isis Ibáñez Abstract Urban areas are expected to grow in the next decades, filtering bird species from the regional pool based on their life history traits. Although the impact of urbanization on traits such... Continue Reading →
Cities offer an unprecedented global experiment for parallel evolutionary change: they similarly differ in several dimensions including climate, land cover, and pollution. Yet few studies examine evolutionary change across multiple cities, which is critical for identifying environmental characteristics that mediate adaptive responses. For example, city size, age, and habitat connectivity may all contribute to the... Continue Reading →
Eastern Gray Squirrels, Sciurus carolinensis, are some of the most visible and well-known urban animals in the Northeastern United States. Prior to European settlement of the region, the black morph of S. carolinensis ("melanistic") was much more abundant. Scientists have hypothesized that the dark pelt was advantageous in the old growth forests that used to cover the region.... Continue Reading →
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