Birds’ spring migration through Wisconsin tracked via Motus system

The wonder of spring migration is playing out across much of the globe as millions of birds are shifting from wintering to breeding grounds.

The annual cycle is a matter of survival for most species — they must escape cold and snow and spend winter in a more hospitable location where they can find food and shelter.

And now, as hours of daylight increase and the temperature warms in the Northern Hemisphere, it’s time to travel once more.

As they fly north this spring, some of our feathered friends will be adding critical data to the understanding of their migratory paths and habitats.

The birds are among tens of thousands fitted with tiny transmitters as part of the Motus Wildlife Tracking System.

Some, including species with relatively poorly understood migratory paths, could be passing through your Wisconsin neighborhood any day.

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