Researchers: More than 4 billion birds stream overhead during fall migration

Fewer birds return to their breeding grounds after going through fall migration and spending months on their wintering grounds. But the researchers were surprised to find that the migrants arriving across the U.S. southern border had an average return rate of 76 percent during the 5 years of the study (2013 to 2017) and the birds wintering in the U.S. had only an average return rate of 64 percent.

For birders, May is Christmastime in Michigan

The return of Michigan’s migratory birds from their southern wintering grounds is cause for celebration, and in May, many celebrate by heading to the fields, forests and wetlands to view these colorful harbingers of spring. “I love birding in May,” said Andrew Simon, a Macomb County resident and avid birder. “It’s the peak of migration and marks the return of…