People Watching: the study of urban wildlife is a two-way street

My eyes are instinctively drawn to a black, blue, and snow white flurry of movement. A reflex hammer to my naturalist’s knee. The subject of my fascination springs a brisk two-footed hop-scotch, just ahead along a ribbon of green separating parking lot from bustling sidewalk in downtown Calgary. The throng of oncoming foot-traffic ignore the... Continue Reading →

Why Did the Squirrel Cross the Road?

In cities the number and types of predators drastically differ from nearby rural and "natural" areas. This often means that the biggest threat prey species have to face in cities are domestic predators (dogs and cats) or generalist "mesopredators" like raccoons, coyotes, or foxes. That is, unless you consider the threat from humans, and in... Continue Reading →

It’s Lit in the City

Night life in the city can be much brighter and artificial lighting can  be a significant source of new evolutionary directions for city dwellers. A recent study by Hopkins et al. (2018) researchers reviewed how Artificial Light At Night (ALAN) can drive evolutionary change in a theoretical population. How can artificial light at night (ALAN) drive evolution?... Continue Reading →

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