Lessons learned from Pennsylvania’s rare chickadee ‘hybrid zone’ can now be accessed by students worldwide

In the hybrid zone that encompasses the Lehigh Valley in Pennsylvania, the habitats of the Carolina Chickadee and the Black-capped Chickadee converge, creating an opportunity for the different species to cross-breed and produce hybrid offspring. In the hybrid zone that encompasses the Lehigh Valley in Pennsylvania, the habitats of the Carolina Chickadee and the Black-capped Chickadee converge, creating an opportunity for the different species to cross-breed and produce hybrid offspring. Plants & Animals Evolution Phys.org – latest science and technology news stories