Get ready for hawkwatching!
Every fall, hawks puts on quite a show as they take flight by the thousands for their annual migration. Where are the hawks going? Learn more about this amazing natural spectacle—and how to help migrating hawks.
Do Hawks Migrate South for the Winter?
Most hawks migrate south in autumn, though not all hawks. You’ll see Red-tailed Hawks, Cooper’s hawks, Sharp-shinned hawks and many other start streaming through the air.
Migrating hawks travel southward out of Canada and the northern United States, along both coasts of North America, around the Great Lakes, over the Great Plains, down the Appalachians and the Rockies, pressed together into the funnel of Mexico. Some pour down into Central America.
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The birds don’t know each other: they just find themselves shoulder to shoulder, wing to wing, headed in the same direction!
Most songbirds migrate at night, when a couple chirps above us or a shadow zipping in front of the moon are our only clues to the presence of thousands overhead. Some flocks of birds are so large, they appear as “blooms” on the radar maps of meteorologists.
When do Hawks Migrate?
Most hawks migrate in October, though timing can range from September to mid-November based on weather and other factors.
From any hilltop in North America, on a clear day in October, you may see dozens, even hundreds of hawks, falcons, eagles, and their relatives, either singly or in small groups, all streaming by southward. One day the skies are empty and the next day they’re full, as if someone had turned on a spigot.
Ospreys abandon their local ponds, harriers their marshes, falcons their cliff ledges.
Merlins, little angular missiles with wings stuck out like an anchor’s flukes, go zipping by almost too fast to register.
Sharp-shinned Hawks, long-tailed dashers of the forest, harass each other with the reckless abandon of fighter pilots.
A Golden Eagle, ravens swooping at him from above like gnats, cruises past without twitching a muscle, its six-foot frame throwing an even larger shadow.
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This is delightful not because it doesn’t make sense, but because the sheer scale of it is so hard to comprehend. My tastes have changed as I’ve gotten older: a Shriner on a tiny scooter seems tame compared to a kettling cloud of Broad-winged Hawks overhead, rising in a towering thermal, silent, on their long way down to the tropical forests of Brazil.
When to Watch Hawks
The best times to watch hawks are in mid-morning (10 to 11am) and mid-afternoon (3 to 4pm). Why? This is the peak thermal activity in the skies, which gives the quickest ride for migrating birds!
In autumn, hawks are especially attracted to a sunny day after a cold front passes with northwest winds about 15 to 20 mph for good speed!
Where to Watch Hawks
If you’d like to join a hawkwatch, the best sites are generally on mountain ranges and shorelines throughout North America are places where hawks concentrate in significant numbers. Hawk migration counts are conducted at many locations where raptors are known to be abundant. The Hawk Migration Association of North America (HMANA) lists over 1,000 hawk migration sites in North America. Find a hawkwatch site in your area!
Hawkwatching from the Pack Monadnock Raptor Observatory in NH. Photo: Cynthia Nichols.
When you go to a hawkwatch site, bring a pair of binoculars if you can, along with sunscreen, a hat, sunglasses, food & water, and warm clothes on the colder days.
Or, dust off your old pair of opera glasses and spend an afternoon scanning the skies where you live. Let us know what you see. The parade is strung out over the whole continent, but it’s certain to pass your door!
Learn more about bird migration and how birds know when to migrate!
Catherine Boeckmann
I guess since I live in the South, I don't see this mass hawk migration. Ours pretty much stay here. We do see some geese and lits of songbirds and hummingbirds going south. That's always fun!
At the very beginning of October I saw at least 75 or more different birds of prey soaring and circling above our city landfill in Fargo, ND. I had never witnessed this before but realized they must be migrating south and looking for a meal before traveling on.
So where do the Southern hawks migrate to? I'm asking because the migratory response to fly somewhere else for winter would be a natural instinct correct? So wouldn't a hawk in the South have that same built in instinct to fly somewhere else?
My kids and I often hike in South Central Indiana you can see many a hawk, and we are nowhere near mountain ranges. It's easiest around bodies of water and forests. They have a unique call.
My chickens will be relieved to hear this...
Yes. My birds and squirrels will be happy too. The hawks are so bad in my area , in NC. I've lost so many of the squirrels I fed by hand. So glad the hawks migrate.
Amen to William, it's been a tough and aggressive migration this year in East Texas.
Chickens fought a good fight but did not win against the Red-tailed Hawks,
In the 80's and up to about 1995, you could drive on the Route 29 corridor from Culpeper, VA to 66 and see literally rivers of birds. The flow was especially magnificent in sections with the backdrop of the mountains. I also visited a wildlife refuge in NE NC and videod Artic tundra swans in huge numbers. When changing areas to feed, a few birds start and suddenly you have a wedge tornado shaped flying formation that is incredible to see. Alas now days I see fewer birds anytime of the year. I still stop and look/listen when I get the chance to see the birds.
how many birds do the fields of wind turbines along these migration routes kill each year?
It’s ironic how this ‘cost’ to wind turbines is acceptable to the environmentalists, for the sake of ‘certain’ energy sources, however the same acceptance is almost non-existent for the traditional energy resources. I’ve been amazed at the almost silence with the turbines and the loss of wildlife. Hypocrisy at best.
