Deadly bird parasite evolves at exceptionally fast rate

Deadly bird parasite evolves at exceptionally fast rate. National Evolutionary Synthesis Center, February 9, 2012.  A new study of a devastating bird disease that spread from poultry to house finches in the mid-1990s reveals that the bacteria responsible for the disease evolves at an exceptionally fast rate. What’s more, the fast-evolving microbe has lost a key chunk of its genome since jumping to its new host, scientists were surprised to find. Picked up by MSNBC.