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New Peregrine Falcon Territories Located in 2011 Revised on 8/6/2011 |
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All data is tentative and will be finalized at the end of the field season |
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General |
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Date |
Observer(s) |
Location |
Remarks |
Young |
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4/7,4/8* |
Hammond, Sumner, Walker |
S.F. Flathead |
Adults flying high over west ridge |
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4/12 |
Bassin-Sumner |
Upper Clarkfork |
Both adults present & copulating |
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4/14 |
Gilbert-Sumner |
Missouri River |
Adult female diving on rth, possibly observed the other adult |
Failed |
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4/20 |
Sumner-Haynam |
Lower Yellowstone River |
Both adults observed |
Failed |
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5/14 |
Sumner-Johnson |
Upper Yellowstone River |
Both adults observed, food exchange |
Failed |
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6/11* |
Sumner, Gilbert, Shreading |
Missouri River |
Both adults observed |
Unknown |
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6/17 |
Sumner-Shreading |
Boulder River |
Both adults present |
Unknown |
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6/22 |
Sumner-Shreading |
Big Hole River |
Both adults protecting against Golden Eagle |
Unknown |
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6/24 |
Sumner-Shreading |
Beaverhead River |
Both adults present, nesting ledge located |
Unknown |
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6/30 |
Hoffman, Sumner, Shreading |
Missouri River |
Hearing young on ledge |
1 minimum |
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7/8 |
Sumner-Shreading |
Clarkfork River |
Adults flying over ridge |
Failed |
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7/17 |
Blair Anderson |
Hebgen Lake |
Both adults present |
Fledged young |
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