Pin-tailed Whydahs arrive in California in mid April, peak in mid September (1.7% of checklists), and most are gone by mid November.
When to look
First arrivalsApr 15-21mid April
Common byApr 15-21mid April
PeakSep 15-21mid September
Most gone byNov 15-21mid November
Best: mid September. First arrivals mid April; most are gone by mid November. Peak: on about 1.7% of California checklists.
Janrare
Febrare
Maruncommon
Apruncommon
Maycommon
Juncommon
Julcommon
Augpeak season
Seppeak season
Octpeak season
Novcommon
Decuncommon
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 California 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.
Gilman ParkOrange County, best late June · 25 checklists that week, 2,384 in all70%
Brookside ParkLos Angeles County, best late September · 33 checklists that week, 555 in all69%
Satellite ParkLos Angeles County, best mid September · 21 checklists that week, 956 in all69%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In California, the Pin-tailed Whydah is most often listed on checklists started between 6 and 8 am (1.2% 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
0.2%
0.2%
0.2%
0.2%
February
0.2%
0.2%
0.2%
0.2%
March
0.2%
0.2%
0.3%
0.3%
April
0.3%
0.4%
0.4%
0.6%
May
0.6%
0.7%
0.8%
0.9%
June
1.0%
0.9%
0.9%
0.9%
July
0.9%
0.9%
0.9%
0.9%
August
1.0%
1.0%
1.1%
1.4%
September
1.4%
1.6%
1.7%
1.8%
October
1.5%
1.1%
1.0%
0.8%
November
0.7%
0.6%
0.4%
0.4%
December
0.4%
0.4%
0.3%
0.3%
Common questions
When do Pin-tailed Whydahs arrive in California?
Pin-tailed Whydahs arrive in California in mid April, peak in mid September (1.7% of checklists), and most are gone by mid November.
When do Pin-tailed Whydahs leave California?
Most Pin-tailed Whydahs have left California by mid November, when reports fall below half their usual rate.
When is the best time to see a Pin-tailed Whydah in California?
The Pin-tailed Whydah is reported most often in mid September, on about 1.7% of California checklists.
Where in California are Pin-tailed Whydahs seen most often?
By county, Orange County, Los Angeles County, and Riverside County have the highest peak reporting rates for the Pin-tailed Whydah (counties with at least 200 checklists).