GET HELP NOW

Wednesday, September 13, 2017

Bird songs isolate species, new research suggests

http://ift.tt/eA8V8J Two birds that look the same, but have songs so different they can't recognize each other, should be considered distinct species, suggests new research. Among 72 related populations of Central and South American birds the researchers tested, they found evidence for 21 new species.

from http://ift.tt/2wqgqpE
via IFTTT
at
Labels: ,

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)

Children whose mothers use marijuana are more likely to try it at younger age

When mothers use marijuana during the first 12 years of their child's life, their cannabis-using children are more likely to start at an...