Mute Swan (Cygnus olor)
Genus Cygnus / Family Anatidae / Order Anseriformes / Class Aves / Phylum Chordata / Kingdom Animalia
A Mute Swan in Dorchester Co., Maryland (2/10/2008).

A Mute Swan in Calvert Co., Maryland (6/18/2006).

A Mute Swan in Cape May Co., New Jersey (10/28/2017).

Mute Swan in Dorchester County, Maryland (2/10/2008).

Mute Swan in Somerset County, Maryland (12/26/2009).

Mute Swans introduced at Hagerstown City Park in Washington Co., Maryland (3/16/2019).
Mute Swan (Cygnus olor)
Genus Cygnus / Family Anatidae / Order Anseriformes / Class Aves / Phylum Chordata / Kingdom AnimaliaTotal Records: 272
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Canada - Ontario (1) United States - Delaware (1) United States - Illinois (4) United States - Indiana (1) United States - Maryland (248) United States - Nebraska (1) United States - New Jersey (9) United States - North Carolina (2) United States - Rhode Island (4)
Mute Swan (Cygnus olor) - Map
For now, here's a fun heat map representation of my personal sightings in iNaturalist courtesy of iNaturalist.