Evolution in an Urbanizing World
Once on the brink of extinction, thanks to conservation efforts the Bald Eagle (Haliaeetus leucocephalus) has made a comeback. This predator can be found across North America to Northern Mexico and once had an estimated population size of 300,000-500,000. However, the use of DDT disrupted the bird's ability to metabolize calcium and resulted in birds... Continue Reading →
Thanks to the collective efforts of urban birders, we have been able to bring a suite of urban observations of birds. Here is the majestic bald eagle, hanging out in a tree in the East River Park of Manhattan, NY. Do you have a photo or video of an urban species doing something unusual? What... Continue Reading →
Most of the time we expect pigeons or other common birds to be spotted on the power lines and poles. Sometimes, we get a rare gem, the bald eagle! We have shown you a number of birds in these "Urban Observation" posts. This one is super majestic for sure. But sadly, many birds have... Continue Reading →
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