

Our Owl Cam features a family of great horned owls that live in a nest box installed 260 feet up one of the stacks at Xcel Energy’s Valmont Station in Boulder, Colorado. Because of the nocturnal habits of owls, we use an infrared camera at this site that operates under low-light conditions and provides images in black and white. In addition to providing streaming video, photos for the day are saved in two-minute increments and are archived in the Daily Pix section. Local time, Mountain Standard Time (MST), is used for these images.
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We've taken down the video image for owl cam. The owls are still in the area but have not returned to lay more eggs in the nest box. We hope see them again next season.
The owl's eggs have apparently failed. This is the same occurrence as last year and the female laid a second clutch. Please stay tuned.
The female owl laid her second egg. If a third egg is on its way, it will arrive around 48 to 55 hours after the second egg. The incubation period lasts about 33 days.
The first egg was laid today! A second egg may be coming in the next two to three days.
The female Great Horned Owl has been spending most of the day at the nest box. She had an unwelcome visitor, which she quickly sent on his way. Last year, the first egg was spotted on February 6.
An adult male Great Horned Owl paid a visit to the Valmont Station nest box on New Year’s Eve. We are patiently watching for the female to join him and for nesting to begin. In the past, we have seen eggs as early as late January.
For years great horned owls have lived at Valmont Station along with other birds and wildlife. Originally we constructed the next box for peregrine falcons, but peregrines have natural nesting sites nearby and weren’t attracted to the box. We were pleased when the great horned owls showed up. Previously they nested in areas closer to plant operations. Mother owls can be quite aggressive when protecting their young – on several occasions owls attacked our employees working too close to a nest. With their preferred nesting area now 260 feet in the air, the birds have a secluded spot for raising their young and our employees are safer.
Interested in corresponding with other Bird Cam viewers? Join the BirdCam Forum available through the Raptor Resource Project.
