In the ‘largest study of its kind’ researchers studied 70,000 bird specimens over a 40-year period.
Click here for original story, Climate change is causing birds to shrink, study says
Source: BBC News – Science & Environment
In the ‘largest study of its kind’ researchers studied 70,000 bird specimens over a 40-year period.
Click here for original story, Climate change is causing birds to shrink, study says
Source: BBC News – Science & Environment