Evolution in an Urbanizing World
Wildfires have been devastating southeastern Australia, and along with these fires comes an increase in anthropogenic noise as firetrucks race to the scene. Gregory Andrews spotted this Australian Magpie in Newcastle, New South Whales mimicking the sound of a fire truck. https://twitter.com/isobelroe/status/1212500562102505472?s=20 Do you have a photo or video of an urban species doing something... Continue Reading →
Heavy metals, such as lead and mercury, are common pollutants in human-affected ecosystems, including cities. These metals can bioaccumulate, or reach high concentrations in exposed organisms, because heavy metals may be stored in some tissues, like fats, and are difficult for organisms to remove from their bodies. High levels of heavy metals have negative impacts... Continue Reading →
When was the last time you cleaned your bird feeder? Bird feeders are a common sight in the city. For many, they represent a chance to view nature from the comfort of their own home, with little else required but to go out each morning to fill the feeder in their pajamas. This gives city... Continue Reading →
Last week I was watching some top-notch tennis on TV as Coco Gauff battled to stay in at Wimbledon. I was amused when a small bird, what seems to be a Wagtail (Motacilla alba), flew out onto the court and perched calmly on the net! Not being a huge tennis fan, I was surprised and... Continue Reading →
A few weeks ago one of the students in my department, Stephanie Lieffrig, had this Red-Tailed Hawk (Buteo jamaicensis) land on her AC unit in the Belmont neighborhood of the Bronx, New York. Hawks, along with Peregrine Falcons (Falco peregrinus) are quite common in New York City and AC units are a rather common perch... Continue Reading →
What does it mean to be urbanized on a volcanic archipelago? With ‘Darwin Day’ (February 12th) just behind us, my upcoming research trip to the Galápagos Islands feels almost unbelievably well-timed. My goal will be to study one of the fabled Darwin’s finches, the small ground finch (Geospiza fuliginosa), and its relationship with an invasive... Continue Reading →
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