‘Grolar Bears’: Is Cross-Breeding to Protect Vulnerable Species From Climate Change a Good Idea?
Species cross-breed in nature in order to share traits that bolster them from certain environmental changes, and cross-breeding may become more common as the planet heats up and animals migrate to cooler areas. For instance, as grizzly bears have made their way north, Canada and Alaska have become home to “grolar bears,” The Guardian reported. […]