WhenToBird

Haliaeetus leucocephalus · Accipitridae

When Do Bald Eagles Arrive in Alaska?

Adult Bald Eagle
Photo: Marcel_Pepin, CC BY 4.0 via iNaturalist

The Bald Eagle is in Alaska all year. It turns up on about 40% of checklists at its peak (the second week of April) and on 21% in its quietest week (the second week of June).

When to look

PresentAll year
Peak weekApr 8-14the second week of April
Quietest weekJun 8-14the second week of June

Best: the second week of April. Here all year. Peak: on about 40% of Alaska checklists.

  1. Janpeak season
  2. Febpeak season
  3. Marpeak season
  4. Aprpeak season
  5. Maypeak season
  6. Juncommon
  7. Julpeak season
  8. Augpeak season
  9. Seppeak season
  10. Octpeak season
  11. Novpeak season
  12. Decpeak season

Darker months: more checklists report it. Outlined: peak month.

0%20%40%60%Jan 1-7: 36% of 3788 checklistsJan 8-14: 34% of 2852 checklistsJan 15-21: 35% of 2810 checklistsJan 22-31: 35% of 3629 checklistsFeb 1-7: 35% of 2519 checklistsFeb 8-14: 36% of 2927 checklistsFeb 15-21: 34% of 3743 checklistsFeb 22-28: 35% of 2846 checklistsMar 1-7: 36% of 2904 checklistsMar 8-14: 36% of 3073 checklistsMar 15-21: 37% of 3359 checklistsMar 22-31: 37% of 5855 checklistsApr 1-7: 38% of 4329 checklistsApr 8-14: 40% of 4949 checklistsApr 15-21: 41% of 7114 checklistsApr 22-30: 36% of 10916 checklistsMay 1-7: 37% of 11827 checklistsMay 8-14: 34% of 14115 checklistsMay 15-21: 28% of 12152 checklistsMay 22-31: 25% of 19919 checklistsJun 1-7: 21% of 15816 checklistsJun 8-14: 21% of 17194 checklistsJun 15-21: 21% of 15943 checklistsJun 22-30: 23% of 16192 checklistsJul 1-7: 28% of 9815 checklistsJul 8-14: 29% of 8263 checklistsJul 15-21: 32% of 7081 checklistsJul 22-31: 30% of 9434 checklistsAug 1-7: 30% of 6380 checklistsAug 8-14: 29% of 6258 checklistsAug 15-21: 30% of 6114 checklistsAug 22-31: 29% of 8189 checklistsSep 1-7: 27% of 5848 checklistsSep 8-14: 27% of 4853 checklistsSep 15-21: 28% of 4415 checklistsSep 22-30: 32% of 5086 checklistsOct 1-7: 32% of 3576 checklistsOct 8-14: 30% of 4212 checklistsOct 15-21: 34% of 3339 checklistsOct 22-31: 36% of 4169 checklistsNov 1-7: 35% of 2844 checklistsNov 8-14: 39% of 2753 checklistsNov 15-21: 41% of 2291 checklistsNov 22-30: 38% of 3066 checklistsDec 1-7: 37% of 2199 checklistsDec 8-14: 40% of 2472 checklistsDec 15-21: 40% of 3071 checklistsDec 22-31: 39% of 3442 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
Share of complete checklists reporting it, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.

Frequency is the share of complete checklists in Alaska that listed the bird, 2016–2025. It is not a head count, and it follows where and when people go birding. How to read it.

JanFebMarAprMayJunJulAugSepOctNovDec
today
Second week of November

Each county is shaded by the share of complete checklists there that listed the bird, blended with the weeks either side. Darker is more often. It follows where people watch birds, not how many birds there are. How to read it.

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Where in Alaska

Best counties

Share of checklists at the peak
  1. Haines BoroughBest the second week of November · 61 checklists that week, 1,690 in all84%
  2. Kodiak Island BoroughBest mid November · 176 checklists that week, 11,483 in all77%
  3. Aleutians East BoroughBest late March · 11 checklists that week, 1,634 in all76%
  4. Aleutians West Census AreaBest the second week of November · 16 checklists that week, 6,087 in all71%
  5. Ketchikan Gateway BoroughBest late October · 116 checklists that week, 4,641 in all70%
  6. Prince of Wales-Hyder Census AreaBest late September · 45 checklists that week, 2,822 in all69%

Best spots

Share of checklists at the peak
  1. Kalsin PondKodiak Island Borough, best late September · 23 checklists that week, 798 in all100%
  2. Eagle RiverJuneau City and Borough, best mid July · 40 checklists that week, 1,420 in all98%
  3. Genivieve LakeKodiak Island Borough, best early January · 23 checklists that week, 516 in all98%
  4. Entrance PointJuneau City and Borough, best late May · 20 checklists that week, 486 in all98%
  5. Anchor PointKenai Peninsula Borough, best the second week of June · 20 checklists that week, 513 in all98%

Busy spots report more of everything; compare the checklist counts before you drive anywhere.

Best time of day

In Alaska, the Bald Eagle is most often listed on checklists started between 10 am and 12 pm (34% of those checklists).

0%10%20%30%40%12 am: too few checklists (549) to judge1 am: too few checklists (365) to judge2 am: too few checklists (291) to judge3 am: too few checklists (624) to judge4 am: too few checklists (1241) to judge5 am: too few checklists (3532) to judge6 am: 27% of 9751 checklists7 am: 29% of 17236 checklists8 am: 31% of 24936 checklists9 am: 33% of 30139 checklists10 am: 35% of 30866 checklists11 am: 34% of 28207 checklists12 pm: 33% of 25650 checklists1 pm: 33% of 24144 checklists2 pm: 32% of 23323 checklists3 pm: 30% of 20763 checklists4 pm: 29% of 18245 checklists5 pm: 28% of 14895 checklists6 pm: 26% of 11707 checklists7 pm: 23% of 9365 checklists8 pm: 21% of 6934 checklists9 pm: too few checklists (4176) to judge10 pm: too few checklists (2050) to judge11 pm: too few checklists (952) to judge12a3a6a9a12p3p6p9p
Share of checklists started in each local hour that reported it. It reflects when people go birding as well as when birds are active. Grey hours have too few checklists (under 2% of the state’s, or under 200) to judge.
Week-by-week table
MonthDays 1-78-1415-2122-end
January36%34%35%35%
February35%36%34%35%
March36%36%37%37%
April38%40%41%36%
May37%34%28%25%
June21%21%21%23%
July28%29%32%30%
August30%29%30%29%
September27%27%28%32%
October32%30%34%36%
November35%39%41%38%
December37%40%40%39%

Neighboring states

  • Washington: year-round, peaks mid January
  • Oregon: all year, most in winter, peaks late January
  • Idaho: all year, most in winter, peaks late December
  • Montana: all year, most in winter, peaks late January

Common questions

When do Bald Eagles arrive in Alaska?
The Bald Eagle is in Alaska all year. It turns up on about 40% of checklists at its peak (the second week of April) and on 21% in its quietest week (the second week of June).
When do Bald Eagles leave Alaska?
The Bald Eagle does not leave Alaska: it is reported all year, from 21% of checklists in the second week of June to 40% in the second week of April.
When is the best time to see a Bald Eagle in Alaska?
The Bald Eagle is reported most often in the second week of April, on about 40% of Alaska checklists.
Where in Alaska are Bald Eagles seen most often?
By county, Haines Borough, Kodiak Island Borough, and Aleutians East Borough have the highest peak reporting rates for the Bald Eagle (counties with at least 200 checklists).