The South Hills Crossbill Is Evolving in a Seriously Bizarre Way | WIRED

; Science; Date of Publication: 09.29.16. 09.29.16; Time of Publication: 7:00 am. 7:00 am

Source: The South Hills Crossbill Is Evolving in a Seriously Bizarre Way | WIRED

My opinion:
As I have said in the past, we very often tend to look at the world in terms of absolutes.  There are many reasons, sometimes legitimate, for doing this, but absolutes usually do not represent reality.
Kuriacose