At the Rushton Woods Preserve outside of Philadelphia, birds are being outfitted with tiny radio trackers that give us unprecedented insight into their journeys across the globe
Life
27 July 2022
In the dappled light beneath the forest canopy, ornithologist Shelly Eshleman pauses for a moment to listen. It is just after 6am on a humid July morning, and through the early morning chorus of birdsong, she has detected the distinct chatter of an eastern towhee – the species we’re looking for.
As we move through the understory at the Rushton Woods Preserve outside of Philadelphia, Pennsylvania, I dodge a set …