The Yellow-billed Cardinal is in Hawaii all year. It turns up on about 16% of checklists at its peak (mid September) and on 10% in its quietest week (late April).
When to look
PresentAll year
Peak weekSep 15-21mid September
Quietest weekApr 22-30late April
Best: mid September. Here all year. Peak: on about 16% of Hawaii checklists.
Janpeak season
Febpeak season
Marpeak season
Aprpeak season
Maycommon
Juncommon
Julpeak season
Augpeak season
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 Hawaii 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.
KaweloheaHawaii County, best late January · 22 checklists that week, 453 in all77%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Hawaii, the Yellow-billed Cardinal is most often listed on checklists started between 6 and 8 am (18% 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
16%
14%
13%
12%
February
11%
12%
13%
11%
March
13%
13%
13%
14%
April
14%
12%
9.6%
11%
May
11%
10%
12%
10%
June
11%
11%
12%
12%
July
11%
11%
12%
12%
August
13%
13%
13%
11%
September
14%
17%
16%
15%
October
14%
13%
13%
15%
November
12%
13%
13%
14%
December
13%
15%
14%
14%
Common questions
When do Yellow-billed Cardinals arrive in Hawaii?
The Yellow-billed Cardinal is in Hawaii all year. It turns up on about 16% of checklists at its peak (mid September) and on 10% in its quietest week (late April).
When do Yellow-billed Cardinals leave Hawaii?
The Yellow-billed Cardinal does not leave Hawaii: it is reported all year, from 10% of checklists in late April to 16% in mid September.
When is the best time to see a Yellow-billed Cardinal in Hawaii?
The Yellow-billed Cardinal is reported most often in mid September, on about 16% of Hawaii checklists.
Where in Hawaii are Yellow-billed Cardinals seen most often?
By county, Hawaii County have the highest peak reporting rates for the Yellow-billed Cardinal (counties with at least 200 checklists).