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Maryland Checklist - Genus: Cygnus - all-time (Total: 3)   

	Photos	Common Name	Genus	Species	Records	Category	Family	Order	Class	Kingdom
1		Mute Swan	Cygnus	olor	196	Birds	Anatidae	Anseriformes	Aves	Animalia
2		Trumpeter Swan	Cygnus	buccinator	172	Birds	Anatidae	Anseriformes	Aves	Animalia
3		Tundra Swan	Cygnus	columbianus	708	Birds	Anatidae	Anseriformes	Aves	Animalia