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Adventive
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Coastal Plain only
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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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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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SUB (Status uncertain 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
Clapper Rail
Rallus
crepitans
151
Birds
Rallidae
Gruiformes
Aves
Animalia
2
American Oystercatcher
Haematopus
palliatus
256
Birds
Haematopodidae
Charadriiformes
Aves
Animalia
3
Black-bellied Plover
Pluvialis
squatarola
224
Birds
Charadriidae
Charadriiformes
Aves
Animalia
4
Semipalmated Plover
Charadrius
semipalmatus
316
Birds
Charadriidae
Charadriiformes
Aves
Animalia
5
Ruddy Turnstone
Arenaria
interpres
261
Birds
Scolopacidae
Charadriiformes
Aves
Animalia
6
Sanderling
Calidris
alba
377
Birds
Scolopacidae
Charadriiformes
Aves
Animalia
7
Semipalmated Sandpiper
Calidris
pusilla
252
Birds
Scolopacidae
Charadriiformes
Aves
Animalia
8
Willet
Tringa
semipalmata
171
Birds
Scolopacidae
Charadriiformes
Aves
Animalia
9
Laughing Gull
Leucophaeus
atricilla
913
Birds
Laridae
Charadriiformes
Aves
Animalia
10
Black Skimmer
Rynchops
niger
162
Birds
Laridae
Charadriiformes
Aves
Animalia
11
Double-crested Cormorant
Nannopterum
auritum
1522
Birds
Phalacrocoracidae
Suliformes
Aves
Animalia
12
Brown Pelican
Pelecanus
occidentalis
324
Birds
Pelecanidae
Pelecaniformes
Aves
Animalia
13
Snowy Egret
Egretta
thula
361
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
14
Turkey Vulture
Cathartes
aura
2185
Birds
Cathartidae
Accipitriformes
Aves
Animalia
15
Northern Flicker
Colaptes
auratus
1426
Birds
Picidae
Piciformes
Aves
Animalia
16
Great Crested Flycatcher
Myiarchus
crinitus
542
Birds
Tyrannidae
Passeriformes
Aves
Animalia
17
Brown-headed Nuthatch
Sitta
pusilla
320
Birds
Sittidae
Passeriformes
Aves
Animalia
18
Gray Catbird
Dumetella
carolinensis
1301
Birds
Mimidae
Passeriformes
Aves
Animalia
19
Pine Warbler
Setophaga
pinus
547
Birds
Parulidae
Passeriformes
Aves
Animalia
20
Blue Grosbeak
Passerina
caerulea
462
Birds
Cardinalidae
Passeriformes
Aves
Animalia
21
Boat-tailed Grackle
Quiscalus
major
162
Birds
Icteridae
Passeriformes
Aves
Animalia
1
Red Admiral
Vanessa
atalanta
1675
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
2
Question Mark
Polygonia
interrogationis
564
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
1
No Common Name
Gryllus
sp.
498
Crickets
Gryllidae
Orthoptera
Insecta
Animalia
1
Common Whitetail
Plathemis
lydia
3512
Dragonflies
Libellulidae
Odonata
Insecta
Animalia
2
Seaside Dragonlet
Erythrodiplax
berenice
537
Dragonflies
Libellulidae
Odonata
Insecta
Animalia
1
Longhorn Band-wing Grasshopper
Psinidia
fenestralis
37
Grasshoppers
Acrididae
Orthoptera
Insecta
Animalia
1
Lunate Zale Moth
Zale
lunata
791
Moths
Erebidae
Lepidoptera
Insecta
Animalia
1
Margined Calligrapher
Toxomerus
marginatus
573
Syrphid Flies
Syrphidae
Diptera
Insecta
Animalia
1
Horseshoe Crab
Limulus
polyphemus
295
Horseshoe Crabs
Limulidae
Xiphosura
Merostomata
Animalia
1
Diamond-backed Terrapin
Malaclemys
terrapin
398
Reptiles
Emydidae
Testudines
Reptilia
Animalia
1
No Common Name
Fucus
vesiculosus
7
Marine Macroalgae
Fucaceae
Fucales
Phaeophyceae
Chromista
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