Northern Waterthrushes mostly pass through New Mexico: they arrive in late April, peak in the second week of May (2.4% of checklists), and most are gone by late May.
When to look
First arrivalsApr 22-30late April
Common byApr 22-30late April
PeakMay 8-14the second week of May
Most gone byMay 22-31late May
Best: the second week of May. First arrivals late April; most are gone by late May. Peak: on about 2.4% of New Mexico checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Apruncommon
Maypeak season
Junrare
Julnot usually seen
Augcommon
Sepcommon
Octrare
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 New Mexico 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.
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In New Mexico, the Northern Waterthrush is most often listed on checklists started between 6 and 8 am (0.7% 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%
March
0%
0%
0%
0%
April
0%
0%
0.1%
0.2%
May
2.2%
3.2%
1.6%
0.3%
June
0%
0%
0.1%
0%
July
0%
0%
0.1%
0%
August
0%
0.1%
0.9%
1.9%
September
1.7%
1.5%
0.5%
0.2%
October
0.1%
0%
0.1%
0.1%
November
0.1%
0.1%
0%
0%
December
0%
0.1%
0%
0%
Neighboring states
Arizona: arrives the second week of August, 14 weeks later than New Mexico
Colorado: arrives late April, in the same week than New Mexico
Oklahoma: arrives mid April, 1 week earlier than New Mexico
Wyoming: arrives early May, 1 week later than New Mexico
Common questions
When do Northern Waterthrushes arrive in New Mexico?
Northern Waterthrushes mostly pass through New Mexico: they arrive in late April, peak in the second week of May (2.4% of checklists), and most are gone by late May.
When do Northern Waterthrushes leave New Mexico?
Most Northern Waterthrushes have left New Mexico by late May, when reports fall below half their usual rate.
When is the best time to see a Northern Waterthrush in New Mexico?
The Northern Waterthrush is reported most often in the second week of May, on about 2.4% of New Mexico checklists.
Where in New Mexico are Northern Waterthrushes seen most often?
By county, Guadalupe County, Lea County, and Torrance County have the highest peak reporting rates for the Northern Waterthrush (counties with at least 200 checklists).