Forum > Birds In The News > Species Lines Blur Between Two Sparrows In New England's Tidal Marshes

Nickname
Posted
Joined:

Date

Posts: Posts

Desc
Webmaster Posted 18-Jun-2015 10:41
Joined:

06-Mar-2014

Posts: 1498
From Science Daily on 18-Jun-2015 10:41

The line between bird species is sometimes blurry, with related species interbreeding where their ranges overlap to create populations of hybrid offspring. A new study shows that in the Saltmarsh Sparrow/Nelson's Sparrow hybrid zone on the coast of New England, identifying these hybrid birds is trickier than we thought: DNA revealed that half the birds identified as 'pure' Nelson's or Saltmarsh Sparrows in the field were of mixed ancestry.


View Full Article

 
HawkOwl Web Design