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Learn About Lawrence’s Massive Crow Roost at ‘Crow Show’ Events  

20,000 crows fly up to 40 miles nightly to gather! Why? Find out on Feb. 8 and 15

Have you ever noticed the huge number of crows flying above Interstate 495 along the Merrimack River at dusk? Where are they going? Why are they here, and what are they doing?

The Merrimack River Watershed Council will host two free “Crow Show” programs in February to delve into the secrets of this dramatic natural phenomenon.

On Feb. 8 at 7 p.m., local expert Craig Gibson will present a virtual Zoom slideshow explaining the Lawrence crow roost, delving into crow behavior and the likely explanations for why 20,000 crows fly up to 40 miles nightly to gather together.  Gibson will also present information on other winter crow roosts he has researched and visited in North America, some of which are many times larger than the Lawrence roost.  

On Feb. 15 at 5 p.m., Gibson will lead a live visit to the crow roost, timed to take place just as thousands of crows begin to arrive and settle into the trees. The location will likely be in the vicinity of Prospect Hill/Lawrence General Hospital. However, the roost location occasionally changes for reasons that only the crows know for sure, and participants will be updated on the roost location on the day of the event.

Both events are free, however registration is required. To see more events, visit

Merrimack River Watershed Council is a local non-profit dedicated to improving the health and vitality of the Merrimack River. To learn more or sign up for the newsletter, visit

These posts are from the great organizations around Tewksbury that provide updates to the Carnation.

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