Cardinals living in adjacent deserts are sharply distinct in genetics and song

New research suggests that populations of the Northern Cardinal -- one of the most ubiquitous backyard birds in the United States -- are undergoing speciation in two adjacent deserts. This study, which analyzed genetics and vocal behavior, gives clues about the early steps in bird speciation.

from Latest Science News -- ScienceDaily https://ift.tt/2EtTqyB

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