Bald Eagles on Early Spring Migration Back to Minnesota

Lake Minnetonka is a hot bed of eagle activity this time of year.

Bald eagles are migrating back to Minnesota and may be seen in large numbers across parts of the state over the next few weeks, according to the Minnesota Department of Natural Resources (DNR).

Lake Minnetonka is a favorite nesting and fishing spot for bald eagles, and the season's first sightings are expected to start rolling in over the next week or two.

"It's definitely time for folks to keep their eyes out," according to Lisa Gelvin-Innvaer, DNR regional nongame wildlife specialist. "Usually we see these bigger pulses of migrating eagles a little later in March, but it appears that timing may be early for a lot of natural events this year due to the mild winter."

Only two states, Florida and Alaska, have greater nesting populations of bald eagles than Minnesota. In 2005, researchers estimated there to be more than 1,300 active nests in this state.

Fall migration typically occurs as lakes and rivers freeze over, since most eagles prefer a diet of fish. Bald eagle wintering grounds typically contain open water, ample food, limited human disturbance and protective roosting sites.

Gelvin-Innvaer said that not all bald eagles migrate in the fall. In southern Minnesota, it's common for some eagle pairs to stay the winter, especially during milder winters.

"This winter has been a good example," Gelvin-Innvaer said. "We've had more open water than usual, and with the lack of snow, carrion has been easy for eagles to find."

Bald eagles that stay local may begin courting and nesting as early as December or January. Other bald eagles return to their breeding territories in late winter, as soon as a food source is available.

"Eagle migration hotspots are a bit of a moving target, so it's hard to say where the eagles are right now," Gelvin-Innvaer said. "In Minnesota, the biggest migrations tend to be along the Minnesota River corridor, the north shore of Lake Superior and around Lake Pepin in southeastern Minnesota."

Adult bald eagles are easily identified by a white head and tail contrasting with a dark brown body. Bald eagles attain full adult plumage in their fourth or fifth year. In flight, bald eagles are sometimes confused with turkey vultures. However, bald eagles have a tendency to soar on flat, board-like wings, while turkey vultures fly with their wings in a v-shape.

Click here for more information on bald eagles or where to view them.

Information provided by the Minnesota Department of Natural Resources.

Sue Thompson Steenhoven - Travel Expert March 13, 2012 at 01:33 PM
I have seen hundreds around lake Pepin. Another great Scenic Road is Co Rd 6 along the MN River.
Christine Petersen March 13, 2012 at 11:41 PM
At this moment (6:30pm on Tuesday, 3/13) I'm watching an adult and an immature eat fish atop the ice on Minnetonka's Glen Lake. We see them at all times of the year, though I have never heard anyone mention a nest in this area.
Lawrence Baier March 14, 2012 at 07:14 PM
Congratulations to Jay Corn for his fine wildlife images posted in conjunction with the DNR story "Bald Eagles on Early Spring Migration Back to Minnesota". Lawrence Baier
Jay Corn March 15, 2012 at 06:07 PM
Comments from Facebook: Annette Cera Scott: We saw 2 eagles on Tanager last week! Tuesday at 1:40pm Carol Chenault: Reports at All Seasons Wild Bird Store of eagles off and on throughout the winter in the Mtka area. Recently sightings include Lotus Lake, Minnehaha Creek area and Gray's Bay. Tom Ladendorf: I saw several on Sunday at Mississippi Dunes Golf Course in Cottage Grove Tuesday at 2:42pm Cris Petersen: Not this week, but we see them year 'round (if sporadically) on Glen Lake. Tuesday at 3:37pm Jacque Lobitz: There is a pair building a nest on Hwy 55 just west of Medina ... Tuesday at 6:08pm Timothy J. Halvorson: I've seen them in Bloomington, St. Louis Park and Coon Rapids all winter long. I don't think they left at all this winter. Tuesday at 6:31pm Cris Petersen: Addendum to my earlier post. We've got an immature an an adult on Glen Lake right this moment, eating fish atop the ice.


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