Evolution in an Urbanizing World
Using soundscapes to monitor urban diversity by Shade Walker Daily sounds of local traffic, the coffee machine pouring, conversations over breakfast, and morning birdsong, are all familiar to us, signaling the start of a new day. As sound waves pulse through the air, they encounter physical structures in the environment, and it is through this... Continue Reading →
Were bed bugs the first urban pest insect? Genome-wide patterns of bed bug demography mirror global human expansion Lindsay S. Miles, Brian C. Verrelli, Richard Adams, Yannick Z. Francioli, Daren C. Card, Ondřej Balvin, Todd A. Castoe and Warren Booth Published: 28 May 2025 https://doi.org/10.1098/rsbl.2025.0061 By Camille Block This newly published paper, coauthored by one... Continue Reading →
As we move from a city's core to its outskirts, there seems to be a shift in the kinds of flora and fauna that we can capture with our cameras. Last week we showed flowers in the city center. This week, we move to the outskirts where a photographer was able to capture this image... Continue Reading →
Last week we brought you many plants found in the streets of Zurich. Plants can find ways to flourish in cities, with just enough space in the pavement cracks to grow. This week, bellflowers have been spotted in Munich. Do you have a photo or video of an urban species doing something unusual? What about... Continue Reading →
Often when we see plants in the city they fall into one of two categories, weed or decorative. It is rare that we find plants that haven't been purposefully planted that aren't weeds. Here are some of the natural flora found in the city streets of Zurich. Do you have a photo or video... Continue Reading →
As cities continue to encroach on natural landscapes, bear sightings have become more frequent. If you've ever been camping where there's bears, you know that they have to design special trash bins to keep bears out. So what do we do when they are in the city? We have to design ways to keep bears... Continue Reading →
Beavers are excellent builders. Similar to humans, they modify their environment to suit their needs, chomping down wood to build dams. Recently, this beaver was spotted at a subway station. Let's hope it didn't get lost on the subway line! Do you have a photo or video of an urban species doing something... Continue Reading →
Australia is well known for its wild animals, they are so different than what we non-Aussies are used to seeing. This week, we found an echidna in a garden! These egg-laying mammals are found everywhere in Australia, so it seems like it was a matter of time to see on in a backyard. Do you... Continue Reading →
Pigeons are super common in urban areas. We find them so often that it is actually rare for them to get a spot on our observation of the week. But, we couldn't resist this one. This week we bring you bird on the bed. Yes, a pigeon, which are notoriously bad at making nests, made... Continue Reading →
Coyotes are widespread across North America and are one of few large predators that are found in cities. If you've been following our blog, you may have seen a few pictures of coyotes in urban and residential areas. You have probably also read some great research as well, presented by our guest contributors. Because they... Continue Reading →
New York City is the largest city in the United States. It has concrete, sky-high buildings, insane traffic, and yet it is home to a variety of birds and birders. Today, we bring you a red-tailed hawk, identified by Jeff Ward, in the Harlem back yard of Jacqui Farmer. Do you have a photo or... Continue Reading →
A few weeks ago, we showed you astroturf otters and Salisbury street market otters. Today, we bring you smooth-coated otters (Lutrogale perspicillata) running through the streets of Singapore. Do you have a photo or video of an urban species doing something unusual? What about a rare plant or animal that you were surprised to find... Continue Reading →
Above ground power lines seem to make a great perch for a lot of squirrels and birds. Usually, we see owls perched on trees, but today we bring you an owl on a power line. Do you have a photo or video of an urban species doing something unusual? What about a rare plant or... Continue Reading →
When a wall is painted over many times, it will start to have layers peel off. These cracks in the paint apparently make a great hideout for anoles. Do you have a photo or video of an urban species doing something unusual? What about a rare plant or animal that you were surprised to find... Continue Reading →
When your car isn't running as smoothly as it used to, you take it into the car shop to get it checked out. Most of the time, there's some component that got old and needs to be replaced. Sometimes, there's wildlife hanging out in the warmth of the engine. This bushy-tailed woodrat (Neotoma cinerea) chewed... Continue Reading →
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