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Decorah Geese and Blogs

Canada Geese: Precocial versus Altricial

April 14, 2024 RaptorResource

As watchers know, Canada geese are nesting in two abandoned bald eagle nests in Decorah, Iowa. N2B – currently a goose nest – is located about 700 feet east of N1, where geese started hatching yesterday. This blog discusses some of the differences between altricial eagles and precocial geese! Altricial eaglets rely on parental care until they fledge. But goslings are precocial: capable of moving around, self-feeding, and leaving the nest shortly after hatch. What does that mean? Read on

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April 13, 2024: Goose hatch has started!

April 13, 2024 RaptorResource

Geese have started hatching in our N1 nest! Watch for the Leap of Faith tomorrow or Monday: https://www.raptorresource.org/birdcams/decorah-eagles/ and read more about it here: https://www.raptorresource.org/2024/04/13/your-questions-answered-the-goslings-and-the-leap-of-faith/.

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What’s Up With the Geese? Canada Geese, Reproduction, and Conspecific Brood Parasitism

April 5, 2024 RaptorResource

On Saturday April 1, goose watchers at N2B saw a female goose fly into the nest. After a lot of biting, pushing, and tussling, she laid an egg despite MG and PG’s best attempts to repel her. One of the local eggs dropped out of the nest, although MG and PG ended up incorporating the intruder’s egg into their own clutch. At one point, it was thought that Canada geese were strictly monogamous. Close observation has yielded a more nuanced

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April 2, 2024: News and NestFlix from Decorah North, Decorah, and Great Spirit Bluff

April 2, 2024 RaptorResource

The wind blew and the rain and snow flew, but DNF and Mr. North fed the eaglet crew! The terrific two ate nine times today so far, including a dual feeding by Mr. North (DN18) and DNF (DN17). The P’s shielded their eaglets from the wind and snow and got food in them quickly before Mombrella settled them under her warm feathers. This winter has felt like one long April Fool’s joke, with the punchline ending – we hope? –

March 26, 2024: NestFlix, News, and Cute Overload from Decorah North and Decorah!

March 26, 2024 RaptorResource

Did the eaglets get enough to eat today? It’s an evergreen question, especially when you see the little bobbleheads shivering in the snow, tumbling over, and wrestling one another instead of eating. Fortunately, Mr. North and DNF are perched at the peak of provisioning! They fed the terrific two thirteen times today, with twelve feedings going to DNF and one going to Mr. North. Wrestlemania or not, the eaglets ate well, with eleven feedings for DN17 and eight for DN18.

March 21, 2024: News and NestFlix from around our nests!

March 21, 2024 RaptorResource

Tick-tock hatch clock! We’re starting hatch watch at Decorah North tomorrow! If you’d like a peek inside the egg right now, follow this link: https://www.raptorresource.org/2024/03/21/april-1-2023-we-are-on-hatch-watch/. We believe Trempealeau will begin hatch around April 4 and Fort St. Vrain will begin hatch around April 10, so we’ll have plenty of eaglets to watch! We’re pretty excited to compare nests, nestlings, and parenting styles across three states this year: Mr. North and DNF in Iowa, Ma and Pa FSV in Colorado, and

March 18, 2024: NestFlix and Chill!

March 18, 2024 RaptorResource

We have your Monday NestFlix, but let’s look at the week ahead before we put our feet up and chill! We’re looking forward to hatch beginning at Decorah North on Saturday or Sunday, first eggs at peregrine falcon sites (my bet’s on Dubuque for the first egg at a nest we monitor: https://www.youtube.com/watch?v=cFtQqGanrX0) and a possible return of winter weather later this week! Well, we’re not really looking forward to that last one, but we are curious about what egg-laying

March 13, 2024: News and NestFlix from Decorah North, Trempealeau, and the Geese!

March 13, 2024 RaptorResource

Happy Hump Day, everyone! Before we get into the NestFlix, a quick calendar round-up: Thanks so much for all you do: for watching, sharing, learning, and especially for caring! Among many other things, we’re busy trying to document nesting peregrine falcons right now, so if you get a band number, give me an email: [email protected] Decorah North Nest March 12, 2024: Days end beauty – https://youtu.be/v80-BsYduuc?si=xLCvtuYk-LI_lKWG. A lovely video with great views of Mr. North, the eggs (2:27), the nest

March 11, 2024: Two Canada Goose eggs in N1!

March 11, 2024 RaptorResource

We have a twist! Two geese – presumably the same pair that HM has been trying to evict! – laid an egg in N1 on Saturday night, followed up by a second late this afternoon. We don’t know whether we’ll get another goose couple in N2B, whether these geese previously nested in N2B, or whether HM will keep paying attention to N1, especially since she is most likely incubating her own eggs at this point. It will take about a

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March 4, 2024: NestFlix and News!

March 4, 2024 RaptorResource

It’s been a busy few days for everybirdy! We have eggs at Decorah North, Fort St. Vrain, and Trempealeau; an ever-changing group of female falcons trying to catch Newman’s attention (Lisa has so far chased them all off); Canada Geese looking at N1 (HM says absolutely not), and falcons showing up at every site we watch. I’m still trying to get band numbers at our sites, so please give me an email if you get one! We’re estimating hatch in

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