Belted Kingfishers are winter birds in Delaware: the first arrive in the second week of July, they are common by the second week of August, peak in early October (16% of checklists), and most are gone by late April.
When to look
First arrivalsJul 8-14the second week of July
Common byAug 8-14the second week of August
PeakOct 1-7early October
Most gone byApr 22-30late April
Best: early October. First arrivals the second week of July; most are gone by late April. Peak: on about 16% of Delaware checklists.
Jancommon
Febcommon
Marcommon
Aprcommon
Mayuncommon
Junrare
Juluncommon
Augcommon
Seppeak season
Octpeak season
Novpeak season
Decpeak season
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 Delaware 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.
WoodlawnNew Castle County, best mid September · 27 checklists that week, 1,011 in all62%
Carousel ParkNew Castle County, best early December · 21 checklists that week, 793 in all60%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Delaware, the Belted Kingfisher is most often listed on checklists started between 7 and 9 am (9.6% 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
9.2%
7.8%
7.8%
8.2%
February
8.1%
7.2%
5.4%
7.7%
March
7.2%
5.9%
6.6%
6.7%
April
8.1%
6.8%
6.8%
5.4%
May
3.9%
3.7%
2.1%
1.6%
June
1.1%
1.1%
1.2%
1.2%
July
1.5%
1.6%
2.8%
2.8%
August
4.3%
4.8%
6.7%
8.4%
September
9.9%
13%
14%
16%
October
15%
17%
15%
15%
November
14%
13%
12%
13%
December
14%
12%
12%
11%
Neighboring states
Maryland: arrives the second week of August, 4 weeks later than Delaware
New Jersey: arrives late August, 6 weeks later than Delaware
Pennsylvania: arrives mid July, 1 week later than Delaware
Common questions
When do Belted Kingfishers arrive in Delaware?
Belted Kingfishers are winter birds in Delaware: the first arrive in the second week of July, they are common by the second week of August, peak in early October (16% of checklists), and most are gone by late April.
When do Belted Kingfishers leave Delaware?
Most Belted Kingfishers have left Delaware by late April, when reports fall below half their usual rate. Stragglers are still reported until mid May.
When is the best time to see a Belted Kingfisher in Delaware?
The Belted Kingfisher is reported most often in early October, on about 16% of Delaware checklists.
Where in Delaware are Belted Kingfishers seen most often?
By county, Sussex County, Kent County, and New Castle County have the highest peak reporting rates for the Belted Kingfisher (counties with at least 200 checklists).