Tag: physiology

New Lit Alert: Variation in hematological indices, oxidative stress, and immune function among male Song Sparrows from rural and low-density urban habitats

Variation in Hematological Indices, Oxidative Stress, and Immune Function Among Male Song Sparrows From Rural and Low-Density Urban Habitats Christopher G. Goodchild, Isaac VanDiest, Samuel J. Lane, Michelle Beck, Hallum Ewbank and Kendra B. Sewall Abstract A central theme in the field of ecology is understanding how environmental variables influence a species’ distribution. In the last... Continue Reading →

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Anoles Adapt to Beat the Urban Heat

Urban areas are hot. The urban heat island effect causes urbanized regions to be significantly warmer than nearby forested areas, and the tropical islands of the Caribbean are no exception to this pattern. Just spend a few minutes in the noon heat in San Juan, Puerto Rico, and you will beg for the cool reprieve... Continue Reading →

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Toxic Toads in a Toxic World

Common toad Bufo bufo

The Common European Toad, Bufo bufo, is a pond-breeding amphibian found throughout Europe, including in urban environments.  Ecological changes (e.g., predator communities) in anthropogenic habitats present novel challenges to the common toad, but abiotic changes (e.g., pollution) may also influence phenotypes in these landscapes. Nevertheless, we know relatively little about how these urban-dwellers (and specifically their toxins)... Continue Reading →

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Tools of the Trade: the Blood Glucose Monitor

One way that animals may adapt to urban environments is by expanding their diet to include anthropogenic food, as discussed in the earlier post “Is Anthropogenic Food Waste Driving the Evolution of Urban Animals?”. But how can we tell if urban animals are actually consuming enough anthropogenic food to change physiology and drive evolution? We... Continue Reading →

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