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Adventive
\n
Coastal Plain only
\n
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\n
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\n
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\n
Exotic
\n
Extinct
\n
Extirpated
\n
Extralimital
\n
G1 (Highly globally rare)
\n
G1G2 (Highly globally rare)
\n
G2 (Globally rare)
\n
G2G3 (Globally rare)
\n
G3 (Globally rare/local)
\n
G3G4 (Globally vulnerable)
\n
G4
\n
G4G5
\n
G5
\n
Garrett only
\n
GH (No known extant occurrences)
\n
GU (Global status uncertain)
\n
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\n
In need of conservation
\n
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\n
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\n
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\n
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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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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
Mummichog
Fundulus
heteroclitus
508
Fish
Fundulidae
Cyprinodontiformes
Actinopterygii
Animalia
1
Green Frog
Lithobates
clamitans
2380
Amphibians
Ranidae
Anura
Amphibia
Animalia
2
Fowler's Toad
Anaxyrus
fowleri
1665
Amphibians
Bufonidae
Anura
Amphibia
Animalia
3
Green Treefrog
Hyla
cinerea
495
Amphibians
Hylidae
Anura
Amphibia
Animalia
1
Canada Goose
Branta
canadensis
3210
Birds
Anatidae
Anseriformes
Aves
Animalia
2
Wood Duck
Aix
sponsa
1245
Birds
Anatidae
Anseriformes
Aves
Animalia
3
Gadwall
Mareca
strepera
553
Birds
Anatidae
Anseriformes
Aves
Animalia
4
Mallard
Anas
platyrhynchos
2753
Birds
Anatidae
Anseriformes
Aves
Animalia
5
American Black Duck
Anas
rubripes
555
Birds
Anatidae
Anseriformes
Aves
Animalia
6
Ring-necked Duck
Aythya
collaris
1086
Birds
Anatidae
Anseriformes
Aves
Animalia
7
Lesser Scaup
Aythya
affinis
538
Birds
Anatidae
Anseriformes
Aves
Animalia
8
Bufflehead
Bucephala
albeola
1312
Birds
Anatidae
Anseriformes
Aves
Animalia
9
Hooded Merganser
Lophodytes
cucullatus
1411
Birds
Anatidae
Anseriformes
Aves
Animalia
10
Common Merganser
Mergus
merganser
623
Birds
Anatidae
Anseriformes
Aves
Animalia
11
Ruddy Duck
Oxyura
jamaicensis
764
Birds
Anatidae
Anseriformes
Aves
Animalia
12
Pied-billed Grebe
Podilymbus
podiceps
620
Birds
Podicipedidae
Podicipediformes
Aves
Animalia
13
Mourning Dove
Zenaida
macroura
2116
Birds
Columbidae
Columbiformes
Aves
Animalia
14
Ruby-throated Hummingbird
Archilochus
colubris
821
Birds
Trochilidae
Apodiformes
Aves
Animalia
15
Clapper Rail
Rallus
crepitans
151
Birds
Rallidae
Gruiformes
Aves
Animalia
16
Killdeer
Charadrius
vociferus
1062
Birds
Charadriidae
Charadriiformes
Aves
Animalia
17
Ruddy Turnstone
Arenaria
interpres
262
Birds
Scolopacidae
Charadriiformes
Aves
Animalia
18
Sanderling
Calidris
alba
381
Birds
Scolopacidae
Charadriiformes
Aves
Animalia
19
Laughing Gull
Leucophaeus
atricilla
919
Birds
Laridae
Charadriiformes
Aves
Animalia
20
Ring-billed Gull
Larus
delawarensis
1532
Birds
Laridae
Charadriiformes
Aves
Animalia
21
Herring Gull
Larus
argentatus
754
Birds
Laridae
Charadriiformes
Aves
Animalia
22
Forster's Tern
Sterna
forsteri
401
Birds
Laridae
Charadriiformes
Aves
Animalia
23
Royal Tern
Thalasseus
maximus
365
Birds
Laridae
Charadriiformes
Aves
Animalia
24
Double-crested Cormorant
Nannopterum
auritum
1546
Birds
Phalacrocoracidae
Suliformes
Aves
Animalia
25
Brown Pelican
Pelecanus
occidentalis
325
Birds
Pelecanidae
Pelecaniformes
Aves
Animalia
26
Great Blue Heron
Ardea
herodias
3737
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
27
Great Egret
Ardea
alba
840
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
28
Snowy Egret
Egretta
thula
361
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
29
Little Blue Heron
Egretta
caerulea
330
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
30
Tricolored Heron
Egretta
tricolor
259
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
31
Green Heron
Butorides
virescens
1072
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
32
White Ibis
Eudocimus
albus
186
Birds
Threskiornithidae
Pelecaniformes
Aves
Animalia
33
Turkey Vulture
Cathartes
aura
2208
Birds
Cathartidae
Accipitriformes
Aves
Animalia
34
Osprey
Pandion
haliaetus
1897
Birds
Pandioidae
Accipitriformes
Aves
Animalia
35
Northern Harrier
Circus
hudsonius
575
Birds
Accipitridae
Accipitriformes
Aves
Animalia
36
Bald Eagle
Haliaeetus
leucocephalus
4288
Birds
Accipitridae
Accipitriformes
Aves
Animalia
37
Red-tailed Hawk
Buteo
jamaicensis
1351
Birds
Accipitridae
Accipitriformes
Aves
Animalia
38
Belted Kingfisher
Megaceryle
alcyon
1381
Birds
Alcedinidae
Coraciiformes
Aves
Animalia
39
Red-headed Woodpecker
Melanerpes
erythrocephalus
534
Birds
Picidae
Piciformes
Aves
Animalia
40
Red-bellied Woodpecker
Melanerpes
carolinus
1912
Birds
Picidae
Piciformes
Aves
Animalia
41
Yellow-bellied Sapsucker
Sphyrapicus
varius
1111
Birds
Picidae
Piciformes
Aves
Animalia
42
Downy Woodpecker
Dryobates
pubescens
1804
Birds
Picidae
Piciformes
Aves
Animalia
43
Hairy Woodpecker
Dryobates
villosus
564
Birds
Picidae
Piciformes
Aves
Animalia
44
Northern Flicker
Colaptes
auratus
1444
Birds
Picidae
Piciformes
Aves
Animalia
45
Merlin
Falco
columbarius
434
Birds
Falconidae
Falconiformes
Aves
Animalia
46
Eastern Wood-Pewee
Contopus
virens
574
Birds
Tyrannidae
Passeriformes
Aves
Animalia
47
Eastern Kingbird
Tyrannus
tyrannus
902
Birds
Tyrannidae
Passeriformes
Aves
Animalia
48
Red-eyed Vireo
Vireo
olivaceus
690
Birds
Vireonidae
Passeriformes
Aves
Animalia
49
Blue Jay
Cyanocitta
cristata
1987
Birds
Corvidae
Passeriformes
Aves
Animalia
50
Tree Swallow
Tachycineta
bicolor
896
Birds
Hirundinidae
Passeriformes
Aves
Animalia
51
Carolina Chickadee
Poecile
carolinensis
1579
Birds
Paridae
Passeriformes
Aves
Animalia
52
Tufted Titmouse
Baeolophus
bicolor
1689
Birds
Paridae
Passeriformes
Aves
Animalia
53
White-breasted Nuthatch
Sitta
carolinensis
1510
Birds
Sittidae
Passeriformes
Aves
Animalia
54
House Wren
Troglodytes
aedon
586
Birds
Troglodytidae
Passeriformes
Aves
Animalia
55
Carolina Wren
Thryothorus
ludovicianus
1957
Birds
Troglodytidae
Passeriformes
Aves
Animalia
56
Ruby-crowned Kinglet
Corthylio
calendula
990
Birds
Regulidae
Passeriformes
Aves
Animalia
57
Eastern Bluebird
Sialia
sialis
2824
Birds
Turdidae
Passeriformes
Aves
Animalia
58
Swainson's Thrush
Catharus
ustulatus
289
Birds
Turdidae
Passeriformes
Aves
Animalia
59
Hermit Thrush
Catharus
guttatus
937
Birds
Turdidae
Passeriformes
Aves
Animalia
60
American Robin
Turdus
migratorius
3297
Birds
Turdidae
Passeriformes
Aves
Animalia
61
Gray Catbird
Dumetella
carolinensis
1305
Birds
Mimidae
Passeriformes
Aves
Animalia
62
Brown Thrasher
Toxostoma
rufum
862
Birds
Mimidae
Passeriformes
Aves
Animalia
63
Northern Mockingbird
Mimus
polyglottos
2105
Birds
Mimidae
Passeriformes
Aves
Animalia
64
European Starling
Sturnus
vulgaris
1448
Birds
Sturnidae
Passeriformes
Aves
Animalia
65
Cedar Waxwing
Bombycilla
cedrorum
1144
Birds
Bombycillidae
Passeriformes
Aves
Animalia
66
House Finch
Haemorhous
mexicanus
1410
Birds
Fringillidae
Passeriformes
Aves
Animalia
67
Pine Siskin
Spinus
pinus
454
Birds
Fringillidae
Passeriformes
Aves
Animalia
68
American Goldfinch
Spinus
tristis
1699
Birds
Fringillidae
Passeriformes
Aves
Animalia
69
Black-and-white Warbler
Mniotilta
varia
633
Birds
Parulidae
Passeriformes
Aves
Animalia
70
Chestnut-sided Warbler
Setophaga
pensylvanica
436
Birds
Parulidae
Passeriformes
Aves
Animalia
71
Myrtle Warbler
Setophaga
coronata
coronata
1474
Birds
Parulidae
Passeriformes
Aves
Animalia
72
Eastern Towhee
Pipilo
erythrophthalmus
1056
Birds
Emberizidae
Passeriformes
Aves
Animalia
73
Dark-eyed Junco (Slate-colored)
Junco
hyemalis
1781
Birds
Emberizidae
Passeriformes
Aves
Animalia
74
Chipping Sparrow
Spizella
passerina
1383
Birds
Emberizidae
Passeriformes
Aves
Animalia
75
Field Sparrow
Spizella
pusilla
945
Birds
Emberizidae
Passeriformes
Aves
Animalia
76
Song Sparrow
Melospiza
melodia
2508
Birds
Emberizidae
Passeriformes
Aves
Animalia
77
White-throated Sparrow
Zonotrichia
albicollis
2958
Birds
Emberizidae
Passeriformes
Aves
Animalia
78
Northern Cardinal
Cardinalis
cardinalis
3714
Birds
Cardinalidae
Passeriformes
Aves
Animalia
79
Red-winged Blackbird
Agelaius
phoeniceus
2325
Birds
Icteridae
Passeriformes
Aves
Animalia
80
Common Grackle
Quiscalus
quiscula
1132
Birds
Icteridae
Passeriformes
Aves
Animalia
81
Boat-tailed Grackle
Quiscalus
major
162
Birds
Icteridae
Passeriformes
Aves
Animalia
82
Brown-headed Cowbird
Molothrus
ater
1157
Birds
Icteridae
Passeriformes
Aves
Animalia
1
Atlantic Ribbed Mussel
Geukensia
demissa
103
Saltwater Bivalves
Mytilidae
Mytiloida
Bivalvia
Animalia
1
Common Eastern Bumble Bee
Bombus
impatiens
2163
Bees
Apidae
Hymenoptera
Insecta
Animalia
2
Two-spotted Bumble Bee
Bombus
bimaculatus
524
Bees
Apidae
Hymenoptera
Insecta
Animalia
1
No Common Name
Cotesia
congregata
24
Braconid Wasps
Braconidae
Hymenoptera
Insecta
Animalia
1
Red Admiral
Vanessa
atalanta
1694
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
2
Red-spotted Purple
Limenitis
arthemis
astyanax
1382
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
3
Eastern Tailed-Blue
Cupido
comyntas
orientalis
2266
Butterflies
Lycaenidae
Lepidoptera
Insecta
Animalia
4
Least Skipper
Ancyloxypha
numitor
971
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
5
Viceroy
Limenitis
archippus
458
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
1
Slaty Skimmer
Libellula
incesta
1269
Dragonflies
Libellulidae
Odonata
Insecta
Animalia
1
Wool Sower
Callirhytis
seminator
148
Gall Wasps
Cynipidae
Hymenoptera
Insecta
Animalia
1
Northern Green-striped Grasshopper
Chortophaga
viridifasciata
viridifasciata
620
Grasshoppers
Acrididae
Orthoptera
Insecta
Animalia
1
Fork-tailed Bush Katydid
Scudderia
furcata
224
Katydids
Tettigoniidae
Orthoptera
Insecta
Animalia
1
Broad-headed Sharpshooter
Oncometopia
orbona
608
Leafhoppers
Cicadellidae
Hemiptera
Insecta
Animalia
1
Eastern Tent Caterpillar Moth
Malacosoma
americana
674
Moths
Lasiocampidae
Lepidoptera
Insecta
Animalia
1
No Common Name
Efferia
sp.
193
Robber Flies
Asilidae
Diptera
Insecta
Animalia
1
Patent Leather Beetle
Odontotaenius
disjunctus
1216
Scarab Beetles
Passalidae
Coleoptera
Insecta
Animalia
2
Japanese Beetle
Popillia
japonica
746
Scarab Beetles
Scarabaeidae
Coleoptera
Insecta
Animalia
1
No Common Name
Clastoptera
sp.
9
Spittlebugs
Clastopteridae
Hemiptera
Insecta
Animalia
1
Eastern Calligrapher
Toxomerus
geminatus
604
Syrphid Flies
Syrphidae
Diptera
Insecta
Animalia
1
No Common Name
Ammophila
procera
43
Thread-waisted Wasps
Sphecidae
Hymenoptera
Insecta
Animalia
1
Six-spotted Tiger Beetle
Cicindela
sexguttata
1049
Tiger Beetles
Carabidae
Coleoptera
Insecta
Animalia
1
No Common Name
Aquarius
remigis complex
242
Water Striders
Gerridae
Hemiptera
Insecta
Animalia
1
Woodchuck
Marmota
monax
635
Mammals
Sciuridae
Rodentia
Mammalia
Animalia
2
Eastern Gray Squirrel
Sciurus
carolinensis
2464
Mammals
Sciuridae
Rodentia
Mammalia
Animalia
3
Delmarva Fox Squirrel
Sciurus
niger
cinereus
269
Mammals
Sciuridae
Rodentia
Mammalia
Animalia
4
White-tailed Deer
Odocoileus
virginianus
2898
Mammals
Cervidae
Artiodactyla
Mammalia
Animalia
5
Eastern Chipmunk
Tamias
striatus
826
Mammals
Sciuridae
Rodentia
Mammalia
Animalia
6
Sika Deer
Cervus
nippon
299
Mammals
Cervidae
Artiodactyla
Mammalia
Animalia
7
American Beaver
Castor
canadensis
601
Mammals
Castoridae
Rodentia
Mammalia
Animalia
1
Horseshoe Crab
Limulus
polyphemus
298
Horseshoe Crabs
Limulidae
Xiphosura
Merostomata
Animalia
1
Red-eared Slider
Trachemys
scripta
elegans
1633
Reptiles
Emydidae
Testudines
Reptilia
Animalia
2
Northern Red-bellied Turtle
Pseudemys
rubriventris
857
Reptiles
Emydidae
Testudines
Reptilia
Animalia
3
Common Five-lined Skink
Plestiodon
fasciatus
1357
Reptiles
Scincidae
Squamata
Reptilia
Animalia
4
Pond Slider
Trachemys
scripta
206
Reptiles
Emydidae
Testudines
Reptilia
Animalia
5
Broad-headed Skink
Plestiodon
laticeps
555
Reptiles
Scincidae
Squamata
Reptilia
Animalia
1
Dryad's Saddle
Cerioporus
squamosus
425
Fungi
Polyporaceae
Polyporales
Agaricomycetes
Fungi
1
Oriental Bittersweet
Celastrus
orbiculatus
797
Bittersweet Family
Celastraceae
Celastrales
Magnoliopsida
Plantae
1
Common Persimmon
Diospyros
virginiana
662
Ebony Family
Ebenaceae
Ebenales
Magnoliopsida
Plantae
1
Porcelain Berry
Ampelopsis
glandulosa
547
Grape Family
Vitaceae
Vitales
Magnoliopsida
Plantae
1
Spotted Wintergreen
Chimaphila
maculata
1800
Heath Family
Ericaceae
Ericales
Magnoliopsida
Plantae
1
American Holly
Ilex
opaca
2035
Holly Family
Aquifoliaceae
Celastrales
Magnoliopsida
Plantae
1
Sassafras
Sassafras
albidum
1406
Laurel Family
Lauraceae
Laureles
Magnoliopsida
Plantae
1
Purple Deadnettle
Lamium
purpureum
1765
Mint Family
Lamiaceae
Lamiales
Magnoliopsida
Plantae
1
Garlic Mustard
Alliaria
petiolata
1194
Mustard Family
Brassicaceae
Brassicales
Magnoliopsida
Plantae
1
Bird's-eye Speedwell
Veronica
persica
1298
Plantain Family
Plantaginaceae
Lamiales
Magnoliopsida
Plantae
1
American White Water-lily
Nymphaea
odorata
ssp.
odorata
281
Water-lily Family
Nymphaeaceae
Nymphaeales
Magnoliopsida
Plantae
1
Sensitive Fern
Onoclea
sensibilis
1612
Ferns
Onocleaceae
Polypodiales
Polypodiopsida
Plantae
2
Cinnamon Fern
Osmundastrum
cinnamomeum
621
Ferns
Osmundaceae
Osmundales
Polypodiopsida
Plantae
3
Ostrich Fern
Matteuccia
struthiopteris
144
Ferns
Onocleaceae
Polypodiales
Polypodiopsida
Plantae
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