Cities as Evolutionary Incubators: Unlocking the Secret of the Spotted Lanternfly Invasion

If you live in the Northeast United States, the Spotted Lanternfly (Lycorma delicatula) probably needs no introduction. Since their arrival around 2014, these striking planthoppers have transformed from a localized curiosity in Pennsylvania into a region-wide phenomenon, swarming vineyards, coating city sidewalks, and becoming the target of public "squish-on-sight" campaigns. But as evolutionary biologists, we... Continue Reading →

February 20, 2026 0

The Superpowers of Urban Rats: How urban life transforms rodents

Our typical urban rats, mainly brown rats (Rattus norvegicus), have undergone adaptations that enable them to thrive in urban environments. These adaptations distinguish urban rats from their wild relatives and highlight the impact of urbanization on species evolution. Genetic evolution and neighborhood adaptations In cities like New York City, with a rat population estimated to... Continue Reading →

May 21, 2025 0

Urban Observation: Groundhogs in Central Park

Have you ever seen a groundhog in Central Park? Or any other urban park? https://twitter.com/DiveArtist/status/1683549457999175680 According to @BirdCentralPark, these adorable rodents are not a common sight in Central Park, but there have been known individuals in the northern parts of the park. The groundhog (Marmota monax) is a very widespread North American species. Their range... Continue Reading →

July 27, 2023 0

Urban Observation: Clash of the Titans

a red-tailed hawk and peregrine falcon clash in the sky

While huddled up in a nook on my apartment's rooftop, camera set up and aimed at the skies above, I briefly witnessed a skirmish between a Red-tailed Hawk (Buteo jamaicensis) and a Peregrine Falcon (Falco peregrinus). I was able to document the interaction above my head with the featured image above. I feel so honored... Continue Reading →

January 12, 2023 0

Urban Wildlife Spotlight: The European Starling

The European Starling Sturnus vulgaris Ever had such a fondness for an author, that you wanted to recreate what they wrote, in real life? That’s exactly what Eugene Schieffelin did with the European Starling in Central Park, NYC, when he decided to introduce as many of the birds mentioned in Shakespeare’s works to North America... Continue Reading →

October 28, 2021 0

Urban Observation of the Week: Warbler on the Road

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 →

November 4, 2020 1

Urbanization Leads to Widespread Genetic Connectivity in Pigeons

Urbanization is rapidly transforming the Earth leading to drastic changes in the local ecological communities and changing the evolutionary dynamics of organisms living within cities. Previous research has shown that urbanization can prohibit, facilitate, or have little effect on gene flow but the scale at which these phenomena occur are highly dependent on the organism,... Continue Reading →

May 26, 2020 2

Evolution of Rat Crania in an Urban Environment

This week we are cross-posting from the Ecology & Evolution blog written by Dr. Emily Puckett and Elizabeth Carlen. Check out the original post here. Observations of numerous animal populations have documented morphometric changes in response to urbanization. Examples abound including: urban populations of anole lizards have longer limbs and more toe lamellae that aid in moving... Continue Reading →

April 21, 2020 1

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