#CaliforniaRaven #HolarcticRaven #RavenSpeciationReversal
Two become one: two raven lineages merge in 'speciation reversal’
After up to two million years of separate evolution, two types of common raven have been ‘caught in the act’ of consolidation, say scientists
The California raven, left, and the Holarctic raven appear to be in the process of becoming one species, say researchers. Composite: Alamy
https://www.theguardian.com/science/2018/mar/02/two-become-one-two-raven-lineages-merge-in-speciation-reversal?CMP=twt_a-science_b-gdnscience https://octodon.social/media/xcfOxS5NU0i6kUKZCt8