Black-headed Gull Chroicocephalus ridibundus (Linnaeus, 1766)    Synonyms: BHGU.
Kingdom Animalia   >   Phylum Chordata   >   Class Aves   >   Order Charadriiformes   >   Family Laridae   >   Genus Chroicocephalus   

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A Black-headed Gull in Queen Anne's Co., Maryland (6/19/2020). Photo by Jonathan Irons. (MBP list)

The continuing Black-headed Gull at the Hunt Valley Mall, Baltimore Co., Maryland (12/24/2012). Found by Russ Ruffing. Photo by Tom Johnson. (MBP list)

Maryland's most cooperative Black-headed Gull at the Hunt Valley Mall, Baltimore Co., Maryland (12/18/2011). Found by Russ Ruffing. Photo by Bill Hubick. (MBP list)(More of this species)

Maryland's most cooperative Black-headed Gull at the Hunt Valley Mall, Baltimore Co., Maryland (12/18/2011). Found by Russ Ruffing. Photo by Bill Hubick. (MBP list)(More of this species)

Maryland's most cooperative Black-headed Gull at the Hunt Valley Mall, Baltimore Co., Maryland (12/18/2011). Found by Russ Ruffing. Photo by Bill Hubick. (MBP list)(More of this species)

A Black-headed Gull among Ring-billed Gulls at Schoolhouse Pond in Upper Marlboro, Prince George's County, Maryland (12/18/2004). Photo by Bill Hubick. (MBP list)

Black-headed Gull in Baltimore Co., Maryland (1/24/2013). (c) Frode Jacobsen, some rights reserved (CC BY-NC). Photo by Frode Jacobsen. (MBP list)

Black-headed Gull in Worcester Co., Maryland (2/2/2022). Photo by Andy Connelly. (MBP list)

Black-headed Gull in Worcester Co., Maryland (3/4/2023). (c) Dany Sloan, some rights reserved (CC BY-NC). Photo by Dany Sloan via iNaturalist. (MBP list)

Black-headed Gull in Worcester Co., Maryland (2/6/2022). (c) jared satchell, all rights reserved. Photo by Jared Satchell. (MBP list)

Black-headed Gull in Montgomery Co., Maryland (12/10/2023). (c) Dave Roberts, some rights reserved (CC BY-NC). Photo by Dave Roberts. (MBP list)

A Black-headed Gull in Harford Co., Maryland (3/29/2015). Photo by Mark Johnson. (MBP list)

Adult Black-headed Gull (center) among Bonaparte's Gulls in Baltimore Co., Maryland (3/20/2022). (c) Dany Sloan, some rights reserved (CC BY-NC). Photo by Dany Sloan via iNaturalist. (MBP list)

The Black-headed Gull that successfully wintered at the Hunt Valley Towne Center, Baltimore Co., now in breeding plumage (3/19/2013). Photo by Mark Johnson. (MBP list)

A Black-headed Gull again wintering in Baltimore Co., Maryland (3/14/2014). Photo by Jared Fisher. (MBP list)

Black-headed Gull in Baltimore Co., Maryland (1/3/2013). (c) Josh Emm, some rights reserved (CC BY-NC). Photo by Josh Emm. (MBP list)

Black-headed Gull in Worcester Co., Maryland (3/8/2023). (c) Stephen John Davies, some rights reserved (CC BY-NC). Photo by Stephen John Davies via iNaturalist. (MBP list)

Black-headed Gull in Worcester Co., Maryland (2/6/2022). (c) jared satchell, all rights reserved. Photo by Jared Satchell. (MBP list)

A Black-headed Gull at Schoolhouse Pond in Upper Marlboro, Prince George's County, Maryland (12/18/2004). Photo by Bill Hubick. (MBP list)

A Black-headed Gull at Schoolhouse Pond in Upper Marlboro, Prince George's County, Maryland (12/18/2004). Photo by Bill Hubick. (MBP list)

Black-headed Gull in Worcester Co., Maryland (3/8/2023). (c) Stephen John Davies, some rights reserved (CC BY-NC). Photo by Stephen John Davies via iNaturalist. (MBP list)

A Black-headed Gull again wintering in Baltimore Co., Maryland (3/14/2014). Photo by Jared Fisher. (MBP list)

Black-headed Gull in Worcester Co., Maryland (3/8/2023). (c) Stephen John Davies, some rights reserved (CC BY-NC). Photo by Stephen John Davies via iNaturalist. (MBP list)

A Black-headed Gull at Hunt Valley Mall, Baltimore Co., Maryland (12/13/2011). Photo by Jon Corcoran. (MBP list)

A Black-headed Gull at Back River WWTP in Baltimore Co., Maryland (3/7/1981). Photo by Jim Stasz. (MBP list)

A Black-headed Gull in Prince George's Co., Maryland (8/22/2008). Photo by Jim Stasz. (MBP list)

A molting adult Black-headed Gull at Back River WWTP, Baltimore Co., Maryland (3/21/1978). Photo by Bob Ringler. (MBP list)

A Black-headed Gull with Ring-billed Gulls at Back River WWTP, Baltimore County, Maryland (3/13/1978). Notes from Bob Ringler: "It is the bird in the center rear. It carried a metal band on one leg. No Black-headed Gulls had ever been banded in North America." Photo by Bob Ringler. (MBP list)


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