Northern Waterthrushes arrive in Alabama in early April, peak in late April (3.8% of checklists), and most are gone by the second week of May.
When to look
First arrivalsApr 1-7early April
Common byApr 1-7early April
PeakApr 22-30late April
Most gone byMay 8-14the second week of May
Best: late April. First arrivals early April; most are gone by the second week of May. Peak: on about 3.8% of Alabama checklists.
Jannot usually seen
Febnot usually seen
Marrare
Aprpeak season
Maypeak season
Junnot usually seen
Julnot usually seen
Auguncommon
Sepcommon
Octcommon
Novnot usually seen
Decnot usually seen
Darker months: more checklists report it. Outlined: peak month.
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 Alabama 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
0%few checklistsno data
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.
Plamore ParkTuscaloosa County, best late April · 21 checklists that week, 343 in all26%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Alabama, the Northern Waterthrush is most often listed on checklists started between 3 and 5 pm (1.1% of those checklists).
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
Month
Days 1-7
8-14
15-21
22-end
January
0%
0%
0%
0%
February
0%
0%
0%
0.1%
March
0%
0.1%
0.1%
0.1%
April
0.4%
1.6%
3.8%
4.4%
May
3.0%
0.5%
0.1%
0.1%
June
0%
0%
0%
0%
July
0%
0%
0%
0.1%
August
0.1%
0%
0.1%
0.5%
September
1.8%
2.2%
2.5%
2.8%
October
1.9%
2.1%
0.6%
0.1%
November
0.1%
0%
0.1%
0%
December
0.1%
0%
0.1%
0%
Neighboring states
Mississippi: arrives late August, 19 weeks later than Alabama
Georgia: arrives the second week of March, 3 weeks earlier than Alabama
Tennessee: arrives mid April, 2 weeks later than Alabama
Louisiana: arrives early August, 16 weeks later than Alabama
Common questions
When do Northern Waterthrushes arrive in Alabama?
Northern Waterthrushes arrive in Alabama in early April, peak in late April (3.8% of checklists), and most are gone by the second week of May.
When do Northern Waterthrushes leave Alabama?
Most Northern Waterthrushes have left Alabama by the second week of May, when reports fall below half their usual rate.
When is the best time to see a Northern Waterthrush in Alabama?
The Northern Waterthrush is reported most often in late April, on about 3.8% of Alabama checklists.
Where in Alabama are Northern Waterthrushes seen most often?
By county, Barbour County, Russell County, and Mobile County have the highest peak reporting rates for the Northern Waterthrush (counties with at least 200 checklists).