A drake Hooded Merganser in Worcester Co., Maryland (2/21/2010).

Photo by Bill Hubick MBP List

A male Hooded Merganser in Howard Co., Maryland (1/23/2015).

View Record Details Photo by Howard Patterson MBP List

A drake Hooded Merganser with crayfish prey in Harford Co., Maryland (2/25/2015).

View Record Details Photo by Mark Johnson MBP List

Hooded Merganser in Montgomery Co., Maryland (12/26/2021). (c) Nick Hobgood, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc-nd/4.0/'>CC BY-NC-ND</a>). (Photo ID: 501890 - Psn: 35)

Hooded Merganser in Montgomery Co., Maryland (12/26/2021). (c) Nick Hobgood, some rights reserved (CC BY-NC-ND).

View Record Details Photo by Nick Hobgood via iNaturalist MBP List

A Hooded Merganser in Harford Co., Maryland (12/16/2016).

View Record Details Photo by Matthew Addicks MBP List

A hen Hooded Merganser in Calvert Co., Maryland (11/25/2018).

View Record Details Photo by Ben Springer MBP List

Hooded Merganser in Prince George's Co., Maryland (12/13/2020). (c) Sergei Drovetski, all rights reserved. (Photo ID: 319278 - Psn: 46)

View Record Details Photo by Sergei Drovetski MBP List

A female Hooded Merganser in Montgomery Co., Maryland (12/26/2021). (c) Nick Hobgood, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc-nd/4.0/'>CC BY-NC-ND</a>). (Photo ID: 501891 - Psn: 52)

A female Hooded Merganser in Montgomery Co., Maryland (12/26/2021). (c) Nick Hobgood, some rights reserved (CC BY-NC-ND).

View Record Details Photo by Nick Hobgood via iNaturalist MBP List

Hooded Merganser in Montgomery Co., Maryland (Date obscured). (c) Bilcha, all rights reserved. (Photo ID: 983032 - Psn: 52)

View Record Details Photo by Bilcha via iNaturalist MBP List

A Hooded Merganser in Baltimore Co., Maryland (11/24/2017).

View Record Details Photo by Andrew Clemens MBP List

Hooded Mergansers in Howard Co., Maryland (12/13/2014).

View Record Details Photo by Mark Johnson MBP List

Hooded Merganser in Howard Co., Maryland (4/2/2013). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 693580 - Psn: 74)

Hooded Merganser 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

Part of a very large flock (134) of Hooded Mergansers at Loch Raven Reservoir, Maryland (2/3/2013).

Photo by Bill Hubick MBP List

Hooded Mergansers in Montgomery Co., Maryland (12/5/2015).

View Record Details Photo by Max Wilson MBP List

A pair of Hooded Mergansers in Montgomery Co., Maryland (12/26/2021). (c) Nick Hobgood, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc-nd/4.0/'>CC BY-NC-ND</a>). (Photo ID: 501889 - Psn: 100)

A pair of Hooded Mergansers in Montgomery Co., Maryland (12/26/2021). (c) Nick Hobgood, some rights reserved (CC BY-NC-ND).

View Record Details Photo by Nick Hobgood via iNaturalist MBP List

Hooded Merganser in Calvert Co., Maryland (12/24/2021). (c) rosalie-rick, all rights reserved. (Photo ID: 501969 - Psn: 102)

View Record Details Photo by rosalie-rick via iNaturalist MBP List

Hooded Mergansers in flight in Harford Co., Maryland (3/26/2014).

Photo by Matthew Addicks MBP List

A female Hooded Merganser with young in Howard Co., Maryland (4/23/2022). (c) smuller, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 621382 - Psn: 105)

A female Hooded Merganser with young in Howard Co., Maryland (4/23/2022). (c) smuller, some rights reserved (CC BY-NC).

View Record Details Photo by Sue Muller MBP List

A Hooded Merganser in Harford Co., Maryland (10/28/2012).

Photo by Mark Johnson MBP List

Female Hooded Mergansers in Worcester Co., Maryland (11/11/2017).

View Record Details Photo by Dave Kidwell MBP List

Hooded Mergansers in Prince George's Co., Maryland (12/1/2018).

View Record Details Photo by Mark Johnson MBP List

Hooded Merganser in Montgomery Co., Maryland (5/13/2020). (c) Gregg Petersen, some rights reserved (CC BY-NC).

View Record Details Photo by Gregg Petersen via iNaturalist MBP List

Hooded Merganser in Howard Co., Maryland (3/1/2014). (c) treichard, all rights reserved. (Photo ID: 204986 - Psn: 145)

View Record Details Photo by Timothy Reichard MBP List

Hooded Merganser in Worcester Co., Maryland (12/31/2023). (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: 945618 - Psn: 152)

Hooded Merganser in Worcester Co., Maryland (12/31/2023). (c) Stephen John Davies, some rights reserved (CC BY-NC).

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

Hooded Merganser in Montgomery Co., Maryland (11/18/2020). (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: 445252 - Psn: 155)

Hooded Merganser in Montgomery Co., Maryland (11/18/2020). (c) Stephen John Davies, some rights reserved (CC BY-NC).

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

Hooded Merganser in Anne Arundel Co., Maryland (2/1/2014). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 702382 - Psn: 165)

Hooded Merganser in Anne Arundel Co., Maryland (2/1/2014). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

Hooded Merganser in Montgomery Co., Maryland (11/18/2020). (c) Stephen John Davies, some rights reserved (CC BY-NC).

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

Hooded Merganser in Montgomery Co., Maryland (Date obscured). (c) Bilcha, all rights reserved. (Photo ID: 983031 - Psn: 178)

View Record Details Photo by Bilcha via iNaturalist MBP List

Hooded Merganser in Montgomery Co., Maryland (Date obscured). (c) Bilcha, all rights reserved. (Photo ID: 983028 - Psn: 179)

View Record Details Photo by Bilcha via iNaturalist MBP List

Hooded Merganser in Montgomery Co., Maryland (Date obscured). (c) Bilcha, all rights reserved. (Photo ID: 983027 - Psn: 180)

View Record Details Photo by Bilcha via iNaturalist MBP List

Hooded Merganser in Montgomery Co., Maryland (Date obscured). (c) Bilcha, all rights reserved. (Photo ID: 983033 - Psn: 181)

View Record Details Photo by Bilcha via iNaturalist MBP List

Hooded Merganser in Montgomery Co., Maryland (Date obscured). (c) Bilcha, all rights reserved. (Photo ID: 983025 - Psn: 182)

View Record Details Photo by Bilcha via iNaturalist MBP List

Hooded Mergansers flying past the Turkey Point Bird Count in Cecil Co., Maryland (11/18/2022). (c) Jonathan Irons, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 706061 - Psn: 190)

Hooded Mergansers flying past the Turkey Point Bird Count in Cecil Co., Maryland (11/18/2022). (c) Jonathan Irons, some rights reserved (CC BY-NC).

View Record Details Photo by Jonathan Irons MBP List

Hooded Mergansers in Howard Co., Maryland (1/20/2018).

View Record Details Photo by Bonnie Ott MBP List

Hooded Merganser in Montgomery Co., Maryland (1/27/2025). (c) birdkeeper0731, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1189669 - Psn: 200)

Hooded Merganser in Montgomery Co., Maryland (1/27/2025). (c) birdkeeper0731, some rights reserved (CC BY-NC).

View Record Details Photo by birdkeeper0731 via iNaturalist MBP List

Hooded Merganser in Montgomery Co., Maryland (1/27/2025). (c) birdkeeper0731, some rights reserved (CC BY-NC).

View Record Details Photo by birdkeeper0731 via iNaturalist MBP List

Hooded Merganser in Montgomery Co., Maryland (1/27/2025). (c) birdkeeper0731, some rights reserved (CC BY-NC).

View Record Details Photo by birdkeeper0731 via iNaturalist MBP List

A Hooded Merganser in Carroll Co., Maryland (5/27/2018).

View Record Details Photo by Anthony VanSchoor MBP List

A Hooded Merganser with her chicks in Harford Co., Maryland (5/24/2018).

View Record Details Photo by Austin Jennings MBP List

A hen Hooded Merganser with young and Marshall Iliff in Worcester Co., Maryland (6/10/2000).

Photo by Jim Stasz MBP List

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

A drake Hooded Merganser in Worcester Co., Maryland (2/21/2010). Media by Bill Hubick.

A male Hooded Merganser in Howard Co., Maryland (1/23/2015). View Record Details Media by Howard Patterson.

A drake Hooded Merganser with crayfish prey in Harford Co., Maryland (2/25/2015). View Record Details Media by Mark Johnson.

Hooded Merganser in Montgomery Co., Maryland (12/26/2021). (c) Nick Hobgood, some rights reserved (CC BY-NC-ND). View Record Details Media by Nick Hobgood via iNaturalist.

A Hooded Merganser in Harford Co., Maryland (12/16/2016). View Record Details Media by Matthew Addicks.

A hen Hooded Merganser in Calvert Co., Maryland (11/25/2018). View Record Details Media by Ben Springer.

A female Hooded Merganser in Montgomery Co., Maryland (12/26/2021). (c) Nick Hobgood, some rights reserved (CC BY-NC-ND). View Record Details Media by Nick Hobgood via iNaturalist.

A Hooded Merganser in Baltimore Co., Maryland (11/24/2017). View Record Details Media by Andrew Clemens.

Hooded Mergansers in Howard Co., Maryland (12/13/2014). View Record Details Media by Mark Johnson.

Hooded Merganser in Howard Co., Maryland (4/2/2013). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Part of a very large flock (134) of Hooded Mergansers at Loch Raven Reservoir, Maryland (2/3/2013). Media by Bill Hubick.

Hooded Mergansers in Montgomery Co., Maryland (12/5/2015). View Record Details Media by Max Wilson.

A pair of Hooded Mergansers in Montgomery Co., Maryland (12/26/2021). (c) Nick Hobgood, some rights reserved (CC BY-NC-ND). View Record Details Media by Nick Hobgood via iNaturalist.

Hooded Mergansers in flight in Harford Co., Maryland (3/26/2014). Media by Matthew Addicks.

A female Hooded Merganser with young in Howard Co., Maryland (4/23/2022). (c) smuller, some rights reserved (CC BY-NC). View Record Details Media by Sue Muller.

A Hooded Merganser in Harford Co., Maryland (10/28/2012). Media by Mark Johnson.

Female Hooded Mergansers in Worcester Co., Maryland (11/11/2017). View Record Details Media by Dave Kidwell.

Hooded Mergansers in Prince George's Co., Maryland (12/1/2018). View Record Details Media by Mark Johnson.

Hooded Merganser in Montgomery Co., Maryland (5/13/2020). (c) Gregg Petersen, some rights reserved (CC BY-NC). View Record Details Media by Gregg Petersen via iNaturalist.

Hooded Merganser in Worcester Co., Maryland (12/31/2023). (c) Stephen John Davies, some rights reserved (CC BY-NC). View Record Details Media by Stephen John Davies via iNaturalist.

Hooded Merganser in Montgomery Co., Maryland (11/18/2020). (c) Stephen John Davies, some rights reserved (CC BY-NC). View Record Details Media by Stephen John Davies via iNaturalist.

Hooded Merganser in Anne Arundel Co., Maryland (2/1/2014). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Hooded Merganser in Montgomery Co., Maryland (11/18/2020). (c) Stephen John Davies, some rights reserved (CC BY-NC). View Record Details Media by Stephen John Davies via iNaturalist.

Hooded Mergansers flying past the Turkey Point Bird Count in Cecil Co., Maryland (11/18/2022). (c) Jonathan Irons, some rights reserved (CC BY-NC). View Record Details Media by Jonathan Irons.

Hooded Mergansers in Howard Co., Maryland (1/20/2018). View Record Details Media by Bonnie Ott.

Hooded Merganser in Montgomery Co., Maryland (1/27/2025). (c) birdkeeper0731, some rights reserved (CC BY-NC). View Record Details Media by birdkeeper0731 via iNaturalist.

A Hooded Merganser in Carroll Co., Maryland (5/27/2018). View Record Details Media by Anthony VanSchoor.

A Hooded Merganser with her chicks in Harford Co., Maryland (5/24/2018). View Record Details Media by Austin Jennings.

A hen Hooded Merganser with young and Marshall Iliff in Worcester Co., Maryland (6/10/2000). Media by Jim Stasz.