eBird Illustrated Checklists transform your eBird contributions into a dynamic digital bird guide for anywhere in the world. Choose a region or hotspot, and the Illustrated Checklist combines sighting frequency (e.g., the proportion of complete eBird checklists reporting the species each week) with photos and sounds from the Macaulay Library. The Best Quality rating is used to determine which photo and sound is shown for the selected region. No photo or audio? Add your own to help fill in the gaps!
Jan
January
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Feb
February
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Mar
March
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Apr
April
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May
May
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Jun
June
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Jul
July
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Aug
August
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Sep
September
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Oct
October
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Nov
November
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Dec
December
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Week1Frequency:0%
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Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
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Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:4.2%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:2.6%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Weekly frequency data
Jan
January
|
Feb
February
|
Mar
March
|
Apr
April
|
May
May
|
Jun
June
|
Jul
July
|
Aug
August
|
Sep
September
|
Oct
October
|
Nov
November
|
Dec
December
|
Week1Frequency:0%
|
Week2Frequency:5.3%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:7.7%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:3.3%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:4.3%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0.1%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0.1%
|
Week4Frequency:0%
|
Weekly frequency data
Jan
January
|
Feb
February
|
Mar
March
|
Apr
April
|
May
May
|
Jun
June
|
Jul
July
|
Aug
August
|
Sep
September
|
Oct
October
|
Nov
November
|
Dec
December
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0.1%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:3.7%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Weekly frequency data
Jan
January
|
Feb
February
|
Mar
March
|
Apr
April
|
May
May
|
Jun
June
|
Jul
July
|
Aug
August
|
Sep
September
|
Oct
October
|
Nov
November
|
Dec
December
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:3.8%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0.1%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:3%
|
Weekly frequency data
Jan
January
|
Feb
February
|
Mar
March
|
Apr
April
|
May
May
|
Jun
June
|
Jul
July
|
Aug
August
|
Sep
September
|
Oct
October
|
Nov
November
|
Dec
December
|
Week1Frequency:40.5%
|
Week2Frequency:26.3%
|
Week3Frequency:25%
|
Week4Frequency:32.4%
|
Week1Frequency:19.2%
|
Week2Frequency:41.2%
|
Week3Frequency:43.8%
|
Week4Frequency:40.7%
|
Week1Frequency:50%
|
Week2Frequency:73.3%
|
Week3Frequency:65.2%
|
Week4Frequency:63.6%
|
Week1Frequency:66.7%
|
Week2Frequency:72.7%
|
Week3Frequency:53.8%
|
Week4Frequency:50%
|
Week1Frequency:50%
|
Week2Frequency:50%
|
Week3Frequency:66.7%
|
Week4Frequency:33.3%
|
Week1Frequency:0%
|
Week2Frequency:57.1%
|
Week3Frequency:36.4%
|
Week4Frequency:62.5%
|
Week1Frequency:33.3%
|
Week2Frequency:46.7%
|
Week3Frequency:44.4%
|
Week4Frequency:28.6%
|
Week1Frequency:29.4%
|
Week2Frequency:30%
|
Week3Frequency:30%
|
Week4Frequency:33.3%
|
Week1Frequency:28.6%
|
Week2Frequency:66.7%
|
Week3Frequency:33.3%
|
Week4Frequency:36.7%
|
Week1Frequency:22.7%
|
Week2Frequency:25%
|
Week3Frequency:8.7%
|
Week4Frequency:14.8%
|
Week1Frequency:29.2%
|
Week2Frequency:33.3%
|
Week3Frequency:26.3%
|
Week4Frequency:28.2%
|
Week1Frequency:40%
|
Week2Frequency:17.6%
|
Week3Frequency:20%
|
Week4Frequency:42.4%
|
Weekly frequency data
Jan
January
|
Feb
February
|
Mar
March
|
Apr
April
|
May
May
|
Jun
June
|
Jul
July
|
Aug
August
|
Sep
September
|
Oct
October
|
Nov
November
|
Dec
December
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Week1Frequency:0%
|
Week2Frequency:0%
|
Week3Frequency:0.1%
|
Week4Frequency:0%
|
Week1Frequency:5%
|
Week2Frequency:0%
|
Week3Frequency:0%
|
Week4Frequency:0%
|
Weekly frequency data
Last seen:
20 Sep 1931
by
Contra Costa County Historical Record
Last seen:
3 Mar 2009
by
Contra Costa County Historical Record
Last seen:
11 Oct 2008
by
Contra Costa County Historical Record
Last seen:
27 Feb 2001
by
Contra Costa County Historical Record
Last seen:
24 Feb 2001
by
Contra Costa County Historical Record
Last seen:
23 Jan 1954
by
Contra Costa County Historical Record
Last seen:
17 Sep 1989
by
Contra Costa County Historical Record
Last seen:
25 Feb 2010
by
Contra Costa County Historical Record
Last seen:
24 Feb 2001
by
Contra Costa County Historical Record
Last seen:
7 Jan 2021
by
Alejandro Naranjo Sandoval
Last seen:
13 Feb 2024
by
Erica Rutherford/ John Colbert
Last seen:
20 Sep 1931
by
Contra Costa County Historical Record
Last seen:
24 Nov 2008
by
Contra Costa County Historical Record
Last seen:
20 Sep 1931
by
Contra Costa County Historical Record
Last seen:
11 Oct 2008
by
Contra Costa County Historical Record
Last seen:
20 Jan 2015
by
Contra Costa County Historical Record
Eurasian x American Wigeon (hybrid)
Western x Glaucous-winged Gull (hybrid)
Herring x Glaucous-winged Gull (hybrid)
Common/Barrow's Goldeneye
Short-billed/Long-billed Dowitcher
Lesser/Greater Yellowlegs
Parasitic/Pomarine Jaeger
Western/Glaucous-winged Gull
Sooty/Short-tailed Shearwater
Last seen:
24 Feb 2001
by
Contra Costa County Historical Record
Sharp-shinned/Cooper's Hawk