Watch highlights of Iris hunkering down over the Hellgate Osprey nest on the evening of May 8 to lay her first egg of 2023. It takes her about 15 minutes from when she starts the laying process to when she begins incubating.

Iris has mated with her previous mate, Louis, several times this season, but she has not received any other investment at the nest site from a potential mate this season. It has been reported that Louis continues to focus his efforts with a different mate at a nearby nest. It remains to be seen whether Iris will attempt fulltime incubation duties at the nest, as it is unlikely she will be successful raising a brood without the help of a mate.

Keep watching and learning with us this season on the Hellgate Osprey cam at www.allaboutbirds.org/ospreys

Watch the cam and learn about the Montana Osprey Project at

http://hs.umt.edu/osprey/

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This Osprey nest is at the mouth of the spectacular Hellgate Canyon at the edge of Missoula, Montana. It’s in a very busy location, right outside the Riverside Health Care Center and next to busy parking lots, a construction site, a busy highway, and a railroad. However, it’s also an ideal location in many ways, since these Ospreys have riverfront property only about 50 feet from the Clark Fork River. Being so close to people does not bother them, and hundreds of people enjoy watching them every day.

The female Osprey at this nest is called Iris because she has very distinctive spots on her iris, especially in her left eye. These iris patterns serve as individual barcodes and allow us to identify her. She has nested at this site for many years. Her mate of many years, Stanley, did not return in 2016, and she attempted to breed with a new male dubbed "Louis" after an influential local Salish elder named Louis Adams (for more info: http://missoulian.com/news/local/new...)

Ospreys are consummate fishing birds, and this pair fishes primarily from the Clark Fork River and nearby Rattlesnake Creek. They use their 6–7 foot wingspans to soar above the water, looking for fish, then diving as deep as 3 feet for shallowswimming prey. Adult Ospreys usually weigh 3–4 pounds, and they can carry prey up to 50 percent of their own weight. Ospreys can live up to 25 years, and they typically lay 1–4 eggs in a clutch.

The nest used to be on a power pole about 200 feet west of where it is now. This was dangerous, since the Ospreys could have been electrocuted, causing fires and power blackouts. In 2007, the current nest platform was erected to provide a safer place for the Ospreys to nest. They took to it immediately. Getting the new nest platform set up, and installing and running to high resolution camera for this feed for you to enjoy has been a large effort involving many groups: Riverside Health Care Center, Karen Wagner, Kate Davis and Raptors of the Rockies, Northwestern Energy, Dave Taylor Roofing Company, and Dr. Erick Greene of the University of Montana.

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