An adult Double-crested Cormorant in Howard Co., Maryland (4/7/2016).

View Record Details Photo by Howard Patterson MBP List

A Double-crested Cormorant in Harford Co., Maryland (3/31/2018).

View Record Details Photo by Austin Jennings MBP List

A Double-crested Cormorant in Montgomery Co., Maryland (7/29/2018).

View Record Details Photo by Bonnie Bell MBP List

A Double-crested Cormorant in Calvert Co., Maryland (3/29/2020).

View Record Details Photo by Jim Stasz MBP List

A Double-crested Cormorant at Patterson Park in Baltimore City, Maryland (5/12/2014).

View Record Details Photo by Mike Hudson MBP List

A Double-crested Cormorant in Harford Co., Maryland (4/5/2018).

View Record Details Photo by Josh Emm MBP List

Double-crested Cormorant in Queen Anne's Co., Maryland (4/14/2020). (c) Jonathan Irons, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 320163 - Psn: 35)

Double-crested Cormorant in Queen Anne's Co., Maryland (4/14/2020). (c) Jonathan Irons, some rights reserved (CC BY-NC).

View Record Details Photo by Jonathan Irons MBP List

An immature Double-crested Cormorant in Frederick Co., Maryland (6/23/2012).

Photo by Mark Johnson MBP List

Double-crested Cormorants in Harford Co., Maryland (10/23/2016).

View Record Details Photo by James Campbell MBP List

Double-crested Cormorants with catfish prey in Harford Co., Maryland (9/16/2016).

View Record Details Photo by James Campbell MBP List

Double-crested Cormorants in Dorchester Co., Maryland (8/25/2018).

View Record Details Photo by Erica Weick MBP List

A Double-crested Cormorant in Calvert Co., Maryland (5/24/2020).

View Record Details Photo by Jim Stasz MBP List

Double-crested Cormorant in Montgomery Co., Maryland (9/2/2020). (c) Stephen John Davies, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 212926 - Psn: 45)

Double-crested Cormorant in Montgomery Co., Maryland (9/2/2020). (c) Stephen John Davies, some rights reserved (CC BY-NC).

View Record Details Photo by Stephen John Davies via iNaturalist MBP List

Double-crested Cormorant in Howard Co., Maryland (9/15/2018). (c) Tim Frye, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 243353 - Psn: 45)

Double-crested Cormorant in Howard Co., Maryland (9/15/2018). (c) Tim Frye, some rights reserved (CC BY-NC).

View Record Details Photo by Tim Frye via iNaturalist MBP List

A Double-crested Cormorant with prey at Blackwater NWR, Maryland (6/18/2011).

Photo by Mark Johnson MBP List

Double-crested Cormorant in Montgomery Co., Maryland (7/30/2020). (c) dtread1, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 200112 - Psn: 55)

Double-crested Cormorant in Montgomery Co., Maryland (7/30/2020). (c) dtread1, some rights reserved (CC BY-NC).

View Record Details Photo by dtread1 via iNaturalist MBP List

A Double-crested Cormorant and chick in Somerset Co., Maryland (7/9/2016).

View Record Details Photo by Matthew Addicks MBP List

An immature Double-crested Cormorant in flight at Point Lookout SP, Maryland (9/3/2011).

Photo by Bill Hubick MBP List

Double-crested Cormorants roosting on pound nets off Point Lookout SP, Maryland (9/3/2011).

Photo by Bill Hubick MBP List

Double-crested Cormorant in Worcester Co., Maryland (1/1/2021). (c) Jim Brighton, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 325087 - Psn: 88)

Double-crested Cormorant in Worcester Co., Maryland (1/1/2021). (c) Jim Brighton, some rights reserved (CC BY-NC).

View Record Details Photo by Jim Brighton MBP List

Double-crested Cormorant in Cecil Co., Maryland (8/25/2022). (c) Jonathan Irons, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 654902 - Psn: 100)

Double-crested Cormorant in Cecil Co., Maryland (8/25/2022). (c) Jonathan Irons, some rights reserved (CC BY-NC).

View Record Details Photo by Jonathan Irons MBP List

Double-crested Cormorant nest with young in Harford Co., Maryland (Date obscured). (c) jmcardle, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 666972 - Psn: 105)

Double-crested Cormorant nest with young in Harford Co., Maryland (Date obscured). (c) jmcardle, some rights reserved (CC BY-NC).

View Record Details Photo by jmcardle via iNaturalist MBP List

A Double-crested Cormorant chick in Somerset Co., Maryland (7/9/2016).

View Record Details Photo by Matthew Addicks MBP List

Double-crested Cormorant in Harford Co., Maryland (Date obscured). (c) jmcardle, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 616412 - Psn: 110)

Double-crested Cormorant in Harford Co., Maryland (Date obscured). (c) jmcardle, some rights reserved (CC BY-NC).

View Record Details Photo by jmcardle via iNaturalist MBP List

A juvenile Double-crested Cormorant in nest in Somerset Co., Maryland (6/18/2021). (c) bev435, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 695145 - Psn: 135)

A juvenile Double-crested Cormorant in nest in Somerset Co., Maryland (6/18/2021). (c) bev435, some rights reserved (CC BY-NC).

View Record Details Photo by bev435 via iNaturalist MBP List

A juvenile Double-crested Cormorant in nest in Somerset Co., Maryland (6/18/2021). (c) bev435, some rights reserved (CC BY-NC).

View Record Details Photo by bev435 via iNaturalist MBP List

A juvenile Double-crested Cormorant in nest in Somerset Co., Maryland (6/18/2021). (c) bev435, some rights reserved (CC BY-NC).

View Record Details Photo by bev435 via iNaturalist MBP List

Juvenile Double-crested Cormorants in nest in Somerset Co., Maryland (6/18/2021). (c) bev435, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 695142 - Psn: 142)

Juvenile Double-crested Cormorants in nest in Somerset Co., Maryland (6/18/2021). (c) bev435, some rights reserved (CC BY-NC).

View Record Details Photo by bev435 via iNaturalist MBP List

Double-crested Cormorant in Montgomery Co., Maryland (4/20/2021). (c) Stephen John Davies, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 363468 - Psn: 145)

Double-crested Cormorant in Montgomery Co., Maryland (4/20/2021). (c) Stephen John Davies, some rights reserved (CC BY-NC).

View Record Details Photo by Stephen John Davies via iNaturalist MBP List

Double-crested Cormorant in Montgomery Co., Maryland (5/7/2021). (c) Stephen John Davies, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 374530 - Psn: 145)

Double-crested Cormorant in Montgomery Co., Maryland (5/7/2021). (c) Stephen John Davies, some rights reserved (CC BY-NC).

View Record Details Photo by Stephen John Davies via iNaturalist MBP List

Double-crested Cormorant in Montgomery Co., Maryland (5/7/2021). (c) Stephen John Davies, some rights reserved (CC BY-NC).

View Record Details Photo by Stephen John Davies via iNaturalist MBP List

Double-crested Cormorant in Montgomery Co., Maryland (4/20/2021). (c) Stephen John Davies, some rights reserved (CC BY-NC).

View Record Details Photo by Stephen John Davies via iNaturalist MBP List

Double-crested Cormorant in Montgomery Co., Maryland (5/4/2021). (c) Stephen John Davies, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 372923 - Psn: 155)

Double-crested Cormorant in Montgomery Co., Maryland (5/4/2021). (c) Stephen John Davies, some rights reserved (CC BY-NC).

View Record Details Photo by Stephen John Davies via iNaturalist MBP List

Double-crested Cormorant in Montgomery Co., Maryland (4/2/2023). (c) Stephen John Davies, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 778766 - Psn: 155)

Double-crested Cormorant in Montgomery Co., Maryland (4/2/2023). (c) Stephen John Davies, some rights reserved (CC BY-NC).

View Record Details Photo by Stephen John Davies via iNaturalist MBP List

Young Double-crested Cormorants in Talbot Co., Maryland (7/5/1997).

View Record Details Photo by Jim Stasz MBP List

Double-crested Cormorant in Montgomery Co., Maryland (4/25/2021). (c) Stephen John Davies, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 366894 - Psn: 166)

Double-crested Cormorant in Montgomery Co., Maryland (4/25/2021). (c) Stephen John Davies, some rights reserved (CC BY-NC).

View Record Details Photo by Stephen John Davies via iNaturalist MBP List

Double-crested Cormorant in Montgomery Co., Maryland (11/10/2022). (c) Stephen John Davies, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 701703 - Psn: 175)

Double-crested Cormorant in Montgomery Co., Maryland (11/10/2022). (c) Stephen John Davies, some rights reserved (CC BY-NC).

View Record Details Photo by Stephen John Davies via iNaturalist MBP List

Double-crested Cormorant in Harford Co., Maryland (11/9/2023). (c) Matt Felperin, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 991426 - Psn: 175)

Double-crested Cormorant in Harford Co., Maryland (11/9/2023). (c) Matt Felperin, some rights reserved (CC BY).

View Record Details Photo by Matt Felperin via iNaturalist MBP List

A Double-crested Cormorant with a Neotropic Comorant in Calvert Co., Maryland (7/10/2017).

View Record Details Photo by Joe Hanfman MBP List

A Double-crested Cormorant with a Neotropic Comorant in Calvert Co., Maryland (7/1/2017).

View Record Details Photo by Mikey Lutmerding MBP List

Double-crested Cormorant in Prince George's Co., Maryland (2/14/2021). (c) maculatus, all rights reserved. (Photo ID: 340211 - Psn: 200)

View Record Details Photo by Robert Aguilar, SERC MBP List

Double-crested Cormorant in Harford Co., Maryland (5/22/2021). (c) captain65, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 385397 - Psn: 200)

Double-crested Cormorant in Harford Co., Maryland (5/22/2021). (c) captain65, some rights reserved (CC BY-NC).

View Record Details Photo by captain65 via iNaturalist MBP List

Double-crested Cormorant in Queen Anne's Co., Maryland (6/19/2020). (c) dansmall, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 298771 - Psn: 225)

Double-crested Cormorant in Queen Anne's Co., Maryland (6/19/2020). (c) dansmall, some rights reserved (CC BY-NC).

View Record Details Photo by Dan Small MBP List

An adult Double-crested Cormorant with American Gizzard Shad prey in Howard Co., Maryland (4/2/2013). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 693579 - Psn: 235)

An adult Double-crested Cormorant with American Gizzard Shad prey in Howard Co., Maryland (4/2/2013). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

Double-crested Cormorant in Worcester Co., Maryland (3/14/2022). (c) danieltayloroc, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 753991 - Psn: 244)

Double-crested Cormorant in Worcester Co., Maryland (3/14/2022). (c) danieltayloroc, some rights reserved (CC BY-NC).

View Record Details Photo by danieltayloroc via iNaturalist MBP List

A Double-crested Cormorant catching an American Eel in St. Mary's Co., Maryland (6/12/2016).

View Record Details Photo by Ben Springer MBP List

Double-crested Cormorant in Worcester Co., Maryland (2/18/2020). (c) Judy Gallagher, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 629201 - Psn: 255)

Double-crested Cormorant in Worcester Co., Maryland (2/18/2020). (c) Judy Gallagher, some rights reserved (CC BY-NC).

View Record Details Photo by Judy Gallagher MBP List

Double-crested Cormorant nesting on Bodkin Island in Queen Anne's Co., Maryland (6/23/1999).

Photo by Jim Stasz MBP List

Double-crested Cormorants nesting on Poplar Island, Talbot Co., Maryland (7/5/1997).

View Record Details Photo by Jim Stasz MBP List

Double-crested Cormorant in Montgomery Co., Maryland (3/12/2021). (c) Stephen John Davies, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 348869 - Psn: 355)

Double-crested Cormorant in Montgomery Co., Maryland (3/12/2021). (c) Stephen John Davies, some rights reserved (CC BY-NC).

View Record Details Photo by Stephen John Davies via iNaturalist MBP List

Double-crested Cormorant skull found in Worcester Co., Maryland (12/30/2020). (c) Lauren Hallden, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 531061 - Psn: 355)

Double-crested Cormorant skull found in Worcester Co., Maryland (12/30/2020). (c) Lauren Hallden, some rights reserved (CC BY-NC).

View Record Details Photo by Lauren Hallden via iNaturalist MBP List

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Use of media featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.

An adult Double-crested Cormorant in Howard Co., Maryland (4/7/2016). View Record Details Media by Howard Patterson.

A Double-crested Cormorant in Harford Co., Maryland (3/31/2018). View Record Details Media by Austin Jennings.

A Double-crested Cormorant in Montgomery Co., Maryland (7/29/2018). View Record Details Media by Bonnie Bell.

A Double-crested Cormorant in Calvert Co., Maryland (3/29/2020). View Record Details Media by Jim Stasz.

A Double-crested Cormorant at Patterson Park in Baltimore City, Maryland (5/12/2014). View Record Details Media by Mike Hudson.

A Double-crested Cormorant in Harford Co., Maryland (4/5/2018). View Record Details Media by Josh Emm.

Double-crested Cormorant in Queen Anne's Co., Maryland (4/14/2020). (c) Jonathan Irons, some rights reserved (CC BY-NC). View Record Details Media by Jonathan Irons.

An immature Double-crested Cormorant in Frederick Co., Maryland (6/23/2012). Media by Mark Johnson.

Double-crested Cormorants in Harford Co., Maryland (10/23/2016). View Record Details Media by James Campbell.

Double-crested Cormorants with catfish prey in Harford Co., Maryland (9/16/2016). View Record Details Media by James Campbell.

Double-crested Cormorants in Dorchester Co., Maryland (8/25/2018). View Record Details Media by Erica Weick.

A Double-crested Cormorant in Calvert Co., Maryland (5/24/2020). View Record Details Media by Jim Stasz.

Double-crested Cormorant in Montgomery Co., Maryland (9/2/2020). (c) Stephen John Davies, some rights reserved (CC BY-NC). View Record Details Media by Stephen John Davies via iNaturalist.

Double-crested Cormorant in Howard Co., Maryland (9/15/2018). (c) Tim Frye, some rights reserved (CC BY-NC). View Record Details Media by Tim Frye via iNaturalist.

A Double-crested Cormorant with prey at Blackwater NWR, Maryland (6/18/2011). Media by Mark Johnson.

Double-crested Cormorant in Montgomery Co., Maryland (7/30/2020). (c) dtread1, some rights reserved (CC BY-NC). View Record Details Media by dtread1 via iNaturalist.

A Double-crested Cormorant and chick in Somerset Co., Maryland (7/9/2016). View Record Details Media by Matthew Addicks.

An immature Double-crested Cormorant in flight at Point Lookout SP, Maryland (9/3/2011). Media by Bill Hubick.

Double-crested Cormorants roosting on pound nets off Point Lookout SP, Maryland (9/3/2011). Media by Bill Hubick.

Double-crested Cormorant in Worcester Co., Maryland (1/1/2021). (c) Jim Brighton, some rights reserved (CC BY-NC). View Record Details Media by Jim Brighton.

Double-crested Cormorant in Cecil Co., Maryland (8/25/2022). (c) Jonathan Irons, some rights reserved (CC BY-NC). View Record Details Media by Jonathan Irons.

Double-crested Cormorant nest with young in Harford Co., Maryland (Date obscured). (c) jmcardle, some rights reserved (CC BY-NC). View Record Details Media by jmcardle via iNaturalist.

A Double-crested Cormorant chick in Somerset Co., Maryland (7/9/2016). View Record Details Media by Matthew Addicks.

Double-crested Cormorant in Harford Co., Maryland (Date obscured). (c) jmcardle, some rights reserved (CC BY-NC). View Record Details Media by jmcardle via iNaturalist.

A juvenile Double-crested Cormorant in nest in Somerset Co., Maryland (6/18/2021). (c) bev435, some rights reserved (CC BY-NC). View Record Details Media by bev435 via iNaturalist.

Juvenile Double-crested Cormorants in nest in Somerset Co., Maryland (6/18/2021). (c) bev435, some rights reserved (CC BY-NC). View Record Details Media by bev435 via iNaturalist.

Double-crested Cormorant in Montgomery Co., Maryland (4/20/2021). (c) Stephen John Davies, some rights reserved (CC BY-NC). View Record Details Media by Stephen John Davies via iNaturalist.

Double-crested Cormorant in Montgomery Co., Maryland (5/7/2021). (c) Stephen John Davies, some rights reserved (CC BY-NC). View Record Details Media by Stephen John Davies via iNaturalist.

Double-crested Cormorant in Montgomery Co., Maryland (4/20/2021). (c) Stephen John Davies, some rights reserved (CC BY-NC). View Record Details Media by Stephen John Davies via iNaturalist.

Double-crested Cormorant in Montgomery Co., Maryland (5/4/2021). (c) Stephen John Davies, some rights reserved (CC BY-NC). View Record Details Media by Stephen John Davies via iNaturalist.

Double-crested Cormorant in Montgomery Co., Maryland (4/2/2023). (c) Stephen John Davies, some rights reserved (CC BY-NC). View Record Details Media by Stephen John Davies via iNaturalist.

Young Double-crested Cormorants in Talbot Co., Maryland (7/5/1997). View Record Details Media by Jim Stasz.

Double-crested Cormorant in Montgomery Co., Maryland (4/25/2021). (c) Stephen John Davies, some rights reserved (CC BY-NC). View Record Details Media by Stephen John Davies via iNaturalist.

Double-crested Cormorant in Montgomery Co., Maryland (11/10/2022). (c) Stephen John Davies, some rights reserved (CC BY-NC). View Record Details Media by Stephen John Davies via iNaturalist.

Double-crested Cormorant in Harford Co., Maryland (11/9/2023). (c) Matt Felperin, some rights reserved (CC BY). View Record Details Media by Matt Felperin via iNaturalist.

A Double-crested Cormorant with a Neotropic Comorant in Calvert Co., Maryland (7/10/2017). View Record Details Media by Joe Hanfman.

A Double-crested Cormorant with a Neotropic Comorant in Calvert Co., Maryland (7/1/2017). View Record Details Media by Mikey Lutmerding.

Double-crested Cormorant in Harford Co., Maryland (5/22/2021). (c) captain65, some rights reserved (CC BY-NC). View Record Details Media by captain65 via iNaturalist.

Double-crested Cormorant in Queen Anne's Co., Maryland (6/19/2020). (c) dansmall, some rights reserved (CC BY-NC). View Record Details Media by Dan Small.

An adult Double-crested Cormorant with American Gizzard Shad prey in Howard Co., Maryland (4/2/2013). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Double-crested Cormorant in Worcester Co., Maryland (3/14/2022). (c) danieltayloroc, some rights reserved (CC BY-NC). View Record Details Media by danieltayloroc via iNaturalist.

A Double-crested Cormorant catching an American Eel in St. Mary's Co., Maryland (6/12/2016). View Record Details Media by Ben Springer.

Double-crested Cormorant in Worcester Co., Maryland (2/18/2020). (c) Judy Gallagher, some rights reserved (CC BY-NC). View Record Details Media by Judy Gallagher.

Double-crested Cormorant nesting on Bodkin Island in Queen Anne's Co., Maryland (6/23/1999). Media by Jim Stasz.

Double-crested Cormorants nesting on Poplar Island, Talbot Co., Maryland (7/5/1997). View Record Details Media by Jim Stasz.

Double-crested Cormorant in Montgomery Co., Maryland (3/12/2021). (c) Stephen John Davies, some rights reserved (CC BY-NC). View Record Details Media by Stephen John Davies via iNaturalist.

Double-crested Cormorant skull found in Worcester Co., Maryland (12/30/2020). (c) Lauren Hallden, some rights reserved (CC BY-NC). View Record Details Media by Lauren Hallden via iNaturalist.