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Productivity at Peregrine Falcon territories in Montana, 2008
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Revised 10/30/2008
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No
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Territory
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Date(s)
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Young
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Number
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Checked
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Observer(s)
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Location
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Fledged
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Remarks
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1
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Numerous
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Sumner & Haynam
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Clarks Fork River
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2
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Young already fledged on 7/20
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2
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26-Aug
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Cerruti & Van Sickle
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Centennial Valley
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2
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Two juveniles and one adult observed
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3
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Numerous
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Donofrio & Lockman
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Bitterroot
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1
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Territory may be checked again.
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4
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Numerous
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Donofrio
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Bitterroot
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4
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Young have already fledged on 7/24
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5
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Numerous
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Romero
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Bitterroot
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2
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Counted confirmed numerous times
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6
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Numerous
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Sumner & Anderson
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Boulder River
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Unk
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Active territory, unable to get fledge count
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7
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Numerous
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Sumner, Fuller, Haynam
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Bull River
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Unk
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Active territory, unable to get fledge count
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8
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3-Jul
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Sumner & Sumner
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Yellowstone River
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2
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Young have already fledged
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9
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Numerous
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Sumner & Sumner
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Blackfoot River
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1
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Minimum count, young fledged
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12
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10-Jul
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Shreading & Sumner
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Bighorn
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2
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Young already fledged
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13
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19-Jun
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Shreading
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Bighorn
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3
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Young about 42 days old
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14
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Numerous
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Haynam
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Flathead River
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0
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Adults present in spring-no young observed
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15
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Numerous
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Sumner & Haynam
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Clark Fork River
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1
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One young fledged on 6/28-mimimum count
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16
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23-Jul
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Shreading
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Big Horn
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2
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Young have already fledged
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17
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Numerous
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Sumner & Haynam
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Clark Fork River
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0
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No young observed
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18
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Numerous
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Sumner & Haynam
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Clark Fork River
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2
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Fledge Count by Haynam on 12 July
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19
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Numerous
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Sumner & Haynam
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Clark Fork River
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0
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No young observed
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20
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26-Jun
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Sumner
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Red Lodge
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2
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Minimum count
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22
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14-Jun
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Sumner & Shreading
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Blackfoot River
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2
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Young about 23 days old
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23
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Numerous
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Haynam
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Clark Fork River
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0
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Adults present, no young observed
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24
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Numerous
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Donofrio
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Bitterroot
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4
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26
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9-Jul
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Hall
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Bighorn
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Unk
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Active territory, unable to check during fledging
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28
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Numerous
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Sumner & Haynam
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Flathead Reservation
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3
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Young fledged by 7/15
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29
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Numerous
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Donofrio
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Bitterroot
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3
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30
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Numerous
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Sumner
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Clark Fork River
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2
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Young about 37 days old on 6/22
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31
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Numerous
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Donofrio
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Bitterroot
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0
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Adults present, no young observed
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32
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Numerous
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Sumner & Haynam
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Clark Fork River
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0
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Adults present, no young observed
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33
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Numerous
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Eggeman, Sumner, Davis
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Bitterroot
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2
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Adults present, unable to locate nesting cliff
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35
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Numerous
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Sumner & Haynam
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Clark Fork River
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1
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Young counted on ledge
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36
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Numerous
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Anderson
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Hebgen Lake
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2
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Minimum count. Young had fledged
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37
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22-Jun
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Sumner
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Yellowstone River
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4
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Young about 35 days old
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38
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June
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Anderson
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Centennial Valley
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2
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Two of four young taken by falconers
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39
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June
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Anderson
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Centennial Valley
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0
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One young found dead
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40
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21-Jun
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Sumner & Hall
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Yellowstone River
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3
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Young 38 days old, minimum count
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41
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Numerous
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Donofrio
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Bitterroot
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2
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42
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5-Jul
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Sumner & Sumner
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Gallatin Canyon
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2
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Young 20 days old
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44
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7-Jul
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Sumner & Sumner
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Gallatin Canyon
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0
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No young observed
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45
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2-Jul
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Sumner & Sumner
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Stillwater River
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3
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Young 25 days old
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46
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23-Jun
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Sumner & Sumner
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East Rosebud
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Unk
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Active territory, unable to check during fledging
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47
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Numerous
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Donofrio
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Bitterroot
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2
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48
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12-Apr
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Wenzel & Sumner
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Missouri River
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Unk
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Active territory, unable to get a fledge count
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51
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25-Jun
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Haynam
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Flathead River
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3
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Young 25-30 days old on 6/26
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52
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Numerous
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Sumner, Haynam, Crow
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Big Fork
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0
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Active territory, failed
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58
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Numerous
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Donofrio
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Bitterroot
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2
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61
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20-Jun
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Sumner & Sumner
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Boulder River
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3
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Minimum count-young 20 days old
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63
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Numerous
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Sumner & Haynam
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Clark Fork River
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2
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FledgeCount by Haynam on 12 July
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71
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4-Jul
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Anderson/Sumner
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Hebgen Lake
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3
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Possibly a fourth young
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72
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Numerous
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Sumner,Haynam, Crow
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Flathead River
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2
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Pair used alternate territory at Burgess Lake
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73
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6-Jul
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Sumner & Sumner
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Gallatin Canyon
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3
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Young 30 days old
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77
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25-Jun
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Davis & Fuller
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Clark Fork River
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2
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Possibly a third young?
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79
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Numerous
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Sumner & Wenzel
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Jefferson River
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0
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Adults present, no young observed
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80
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21-Jun
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Sumner
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Yellowstone River
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2
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Young 20 days old, minimum count
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81
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7//12
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Sumner & Sumner
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East Front
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2
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Young already fledged-minimum count
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83
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Numerous
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Sumner & Haynam
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SF Flathead River
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3
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