Evolution in an Urbanizing World
Ever notice these long-necked denizens of NYC? Canada Geese (Branta canadensis) are a familiar sight in many parks and open spaces within the city, leading complex lives. New York City boasts 3 of the 7 subspecies of the Canada Goose, and it may come as a shock to know that the one subspecies we observe... Continue Reading →
Oriented migratory flight at night: Consequences of nighttime light pollution for monarch butterflies Adam F. Parlin, Samuel M. Stratton, and Patrick A. Guerra Abstract We show that light trespass—a form of nighttime light pollution (NLP)—elicits normal daytime clock-mediated migratory behavior in fall monarch butterflies during their night-cycle. In controlled indoor flight simulator studies isolating the... Continue Reading →
The birders are back! This time, we see a Black-throated Green Warbler on the street. These birds are seen in the Northern American forests in the warm months and fly south for the winter months. This little bird is probably a tourist on the street on its migration south! Do you have a photo or... Continue Reading →
The field of urban evolution is relatively young, but researchers have been fascinated by animal movement through cities for quite some time. Recently, I was perusing the archives of the Journal of the Lepidopterists’ Society and came across a note by Sidney Hessel detailing the movements of monarch butterflies through Manhattan. He observed 82 monarchs... Continue Reading →
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