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2020 Osprey Telemetry Project Update

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2020 Osprey Telemetry Project Update

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2020 Osprey Telemetry Project Update

December 29, 2020

This update summarizes our efforts to outfit Osprey nestlings with GPS transmitters and the activities of those outfitted in previous seasons.

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We’ve been capturing Ospreys and outfitting them with leg bands and satellite transmitters since the summer of 2012.

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We began this spring closely watching the northern migrations of four individuals that we captured in prior years.

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We were thrilled as Ospreys laid eggs in all three nests on MPG Ranch in May. Unfortunately, cold temperatures and heavy precipitation made incubation and foraging difficult.

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On June 20, Scooter’s transmitter stopped moving at a location near the Bitterroot River about a mile from his nest.

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Finley set up at a nest platform north of Corvallis, but once again failed to produce any young.

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After a brief visit to MPG Ranch on April 10, Avery flew southeast and had settled along the Yellowstone River, five miles from Emigrant, MT, by April 14.

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While Avery was incubating, we learned that her nest was being regularly surveyed by Dr. Marco Restani and the Yellowstone Osprey Project.

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With no young Osprey produced on MPG Ranch, we surveyed the Bitterroot River for other nests that we could safely access with a bucket truck.

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Six of the young Osprey that we had outfitted with GPS transmitters survived their first fall journeys south.

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Dartmoor only made it a short distance before its transmitter went down on a steep forested slope near the Clark Canyon Reservoir, about ten miles southwest of Dillon, MT.

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Of all the Ospreys we’ve tracked, Boots gave us the biggest surprise when it migrated to Cuba in 2018.

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Boots stopped at Gavin’s Point fish hatchery near Yankton, SD, from August 26-31.

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On September 8, Boots left the mainland and headed out over the Gulf of Mexico. However, after covering over 100 miles, Boots returned to the Louisiana Coast.

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We hope next year will be more successful for Ospreys nesting on MPG Ranch

Previous Research Update

2020 Turkey Vulture Telemetry Update

Next Research Update

2020 Fall Migration Research Update

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- Staff
- Lab
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- Visit Us
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- Waivers
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- Trail Cameras
- Live Video
Photos
Videos
- MPG Conference Videos
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- Published Papers
Field Notes
Dispatches
Maps
- Habitat Restoration
- Raptor Tracker

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