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Adventive
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Coastal Plain only
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Excluded
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Exotic
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Extinct
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Extirpated
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G1 (Highly globally rare)
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G1G2 (Highly globally rare)
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G2 (Globally rare)
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G2G3 (Globally rare)
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G3 (Globally rare/local)
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G3G4 (Globally vulnerable)
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G4
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G4G5
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G5
\n
Garrett only
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GH (No known extant occurrences)
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GU (Global status uncertain)
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Hybrid
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In need of conservation
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Reviewable (MD/DCRC)
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S1 (Highly state rare)
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S1B (Highly state rare breeder)
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S1M (State rare migrant)
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S1N (State rare non-breeder)
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S1S2 (Highly state rare)
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S1S2B (State rare breeder)
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S2 (State rare)
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S2B (State rare breeder)
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S2B (State rare breeder)
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S2S3 (State rare)
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S2S3B (State rare breeder)
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S3 (Watch list)
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S3B (State watchlist breeder)
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S3S4
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S3S4B (State watchlist breeder)
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S4SE
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SH (Historical)
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SHB (State historical breeder)
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SR (State rare)
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Status Uncertain
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SUB (Status uncertain breeder)
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SXB (State extirpated breeder)
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SXM (State extirpated migrant)
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Western MD only
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Worcester only
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Photos
Common Name
Genus
Species
Records  
Category
Family
Order
Class
Kingdom
1
Ross's Goose
Anser
rossii
130
Birds
Anatidae
Anseriformes
Aves
Animalia
2
Tundra Swan
Cygnus
columbianus
705
Birds
Anatidae
Anseriformes
Aves
Animalia
3
American Wigeon
Mareca
americana
555
Birds
Anatidae
Anseriformes
Aves
Animalia
4
Common Merganser
Mergus
merganser
525
Birds
Anatidae
Anseriformes
Aves
Animalia
5
Common Gallinule
Gallinula
galeata
188
Birds
Rallidae
Gruiformes
Aves
Animalia
6
Sandhill Crane
Antigone
canadensis
155
Birds
Gruidae
Gruiformes
Aves
Animalia
7
American Avocet
Recurvirostra
americana
141
Birds
Recurvirostridae
Charadriiformes
Aves
Animalia
8
Black-legged Kittiwake
Rissa
tridactyla
30
Birds
Laridae
Charadriiformes
Aves
Animalia
9
Great Black-backed Gull
Larus
marinus
468
Birds
Laridae
Charadriiformes
Aves
Animalia
10
Bald Eagle
Haliaeetus
leucocephalus
3503
Birds
Accipitridae
Accipitriformes
Aves
Animalia
11
Short-eared Owl
Asio
flammeus
158
Birds
Strigidae
Strigiformes
Aves
Animalia
12
Red-headed Woodpecker
Melanerpes
erythrocephalus
403
Birds
Picidae
Piciformes
Aves
Animalia
13
Couch's Kingbird
Tyrannus
couchii
17
Birds
Tyrannidae
Passeriformes
Aves
Animalia
14
Sedge Wren
Cistothorus
stellaris
143
Birds
Troglodytidae
Passeriformes
Aves
Animalia
15
Marsh Wren
Cistothorus
palustris
245
Birds
Troglodytidae
Passeriformes
Aves
Animalia
16
Black-throated Gray Warbler
Setophaga
nigrescens
56
Birds
Parulidae
Passeriformes
Aves
Animalia
17
Eastern Towhee
Pipilo
erythrophthalmus
864
Birds
Emberizidae
Passeriformes
Aves
Animalia
18
Field Sparrow
Spizella
pusilla
828
Birds
Emberizidae
Passeriformes
Aves
Animalia
19
Ipswich Sparrow
Passerculus
sandwichensis
princeps
32
Birds
Emberizidae
Passeriformes
Aves
Animalia
20
Swamp Sparrow
Melospiza
georgiana
827
Birds
Emberizidae
Passeriformes
Aves
Animalia
21
Harris's Sparrow
Zonotrichia
querula
43
Birds
Emberizidae
Passeriformes
Aves
Animalia
22
Black-headed Grosbeak
Pheucticus
melanocephalus
24
Birds
Cardinalidae
Passeriformes
Aves
Animalia
23
Painted Bunting
Passerina
ciris
114
Birds
Cardinalidae
Passeriformes
Aves
Animalia
24
Yellow-headed Blackbird
Xanthocephalus
xanthocephalus
57
Birds
Icteridae
Passeriformes
Aves
Animalia
1
No Common Name
Apheloria
virginiensis
157
Millipedes
Xystodesmidae
Polydesmida
Diplopoda
Animalia
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