Every year, the Connecticut skies swirl with activity. Nicknamed an “avian ballet,” the annual tree swallow migration takes place from late summer to early fall. These colorful winged creatures soar over the Connecticut River in droves, and the views will take your breath away. On some days, you’ll see as many as one million birds in the air at once! If you want to experience this natural wonder yourself, hop aboard a cruise with RiverQuest. The annual summertime show of swallows is a sight to behold.

You may have seen these colorful birds nesting in trees. Their blue and green feathers are hard to miss.
Becky Matsubara/Flickr
Beginning in late August, tree swallows congregate on a small island on the Connecticut River.
Peter Rintels/Flickr
At sunset, they soar toward the reeds, where they'll rest for the night.
Billtacular/Flickr

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Because there's safety in numbers, the tree swallows fly at the same time.
RiverQuest/Facebook
Spectators gaze in awe as the birds soar through the breeze and loop across the sky.
Billtacular/Flickr
Their spectacular flight patterns can last as long as twenty minutes.
To see these breathtaking views for yourself, hop aboard RiverQuest's Tree Swallow Sunset Cruise.
RiverQuest/Facebook
On this spectacular journey, you won't just see vibrant tree swallows. Knowledgeable guides will also share stories about Connecticut's bald eagle population and the numerous wildlife species who live around the river. If you're lucky, you may even spot a few Great Egrets along the way!
As the sun sets along the river, you'll be met with astonishing sights.
RiverQuest/Facebook
This gorgeous adventure lasts between 3.5 and 4 hours, and it's offered from late August until October. For the best views, bring along a pair of binoculars. You can learn more about these amazing tours through RiverQuest's website.

Have you ever taken the Tree Swallow Sunset Cruise with RiverQuest? If so, we want to hear all about your experience! Share your thoughts with us in the comments below.

For more splendid natural beauty, visit the 8 best nature centers in Connecticut.

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RiverQuest, 67 Main St, Essex, CT 06426, USA