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Adventive
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Coastal Plain only
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Endangered (Federal)
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Endangered (MD)
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Excluded
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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)
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Hybrid
\n
In need of conservation
\n
Invasive
\n
Nativity Uncertain
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Non-native
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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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Threatened (Federal)
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Threatened (MD)
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Undescribed
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Vulnerable
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Waif
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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
Banded Killifish
Fundulus
diaphanus
230
Fish
Fundulidae
Cyprinodontiformes
Actinopterygii
Animalia
2
Gizzard Shad
Dorosoma
cepedianum
149
Fish
Clupeidae
Clupeiformes
Actinopterygii
Animalia
3
White Crappie
Pomoxis
annularis
20
Fish
Centrarchidae
Perciformes
Actinopterygii
Animalia
4
Fallfish
Semotilus
corporalis
295
Fish
Cyprinidae
Cypriniformes
Actinopterygii
Animalia
5
Pumpkinseed
Lepomis
gibbosus
443
Fish
Centrarchidae
Perciformes
Actinopterygii
Animalia
6
Hickory Shad
Alosa
mediocris
55
Fish
Clupeidae
Clupeiformes
Actinopterygii
Animalia
7
Mummichog
Fundulus
heteroclitus
475
Fish
Fundulidae
Cyprinodontiformes
Actinopterygii
Animalia
8
Redear Sunfish
Lepomis
microlophus
85
Fish
Centrarchidae
Perciformes
Actinopterygii
Animalia
9
Atlantic Croaker
Micropogonias
undulatus
125
Fish
Sciaenidae
Perciformes
Actinopterygii
Animalia
10
Yellow Perch
Perca
flavescens
239
Fish
Percidae
Perciformes
Actinopterygii
Animalia
11
Spot
Leiostomus
xanthurus
293
Fish
Sciaenidae
Perciformes
Actinopterygii
Animalia
12
Walleye
Sander
vitreus
24
Fish
Percidae
Perciformes
Actinopterygii
Animalia
1
Trumpeter Swan
Cygnus
buccinator
178
Birds
Anatidae
Anseriformes
Aves
Animalia
2
Wood Duck
Aix
sponsa
1150
Birds
Anatidae
Anseriformes
Aves
Animalia
3
Gadwall
Mareca
strepera
487
Birds
Anatidae
Anseriformes
Aves
Animalia
4
Mallard
Anas
platyrhynchos
2510
Birds
Anatidae
Anseriformes
Aves
Animalia
5
Lesser Scaup
Aythya
affinis
474
Birds
Anatidae
Anseriformes
Aves
Animalia
6
White-winged Scoter
Melanitta
deglandi
217
Birds
Anatidae
Anseriformes
Aves
Animalia
7
Long-tailed Duck
Clangula
hyemalis
502
Birds
Anatidae
Anseriformes
Aves
Animalia
8
Bufflehead
Bucephala
albeola
1119
Birds
Anatidae
Anseriformes
Aves
Animalia
9
Red-necked Grebe
Podiceps
grisegena
147
Birds
Podicipedidae
Podicipediformes
Aves
Animalia
10
Yellow-billed Cuckoo
Coccyzus
americanus
471
Birds
Cuculidae
Cuculiformes
Aves
Animalia
11
Ruby-throated Hummingbird
Archilochus
colubris
813
Birds
Trochilidae
Apodiformes
Aves
Animalia
12
Common Gallinule
Gallinula
galeata
201
Birds
Rallidae
Gruiformes
Aves
Animalia
13
American Coot
Fulica
americana
427
Birds
Rallidae
Gruiformes
Aves
Animalia
14
Killdeer
Charadrius
vociferus
975
Birds
Charadriidae
Charadriiformes
Aves
Animalia
15
Wilson's Snipe
Gallinago
delicata
261
Birds
Scolopacidae
Charadriiformes
Aves
Animalia
16
Spotted Sandpiper
Actitis
macularius
517
Birds
Scolopacidae
Charadriiformes
Aves
Animalia
17
Herring Gull
Larus
argentatus
694
Birds
Laridae
Charadriiformes
Aves
Animalia
18
American Bittern
Botaurus
lentiginosus
233
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
19
Little Blue Heron
Egretta
caerulea
320
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
20
Sharp-shinned Hawk
Accipiter
striatus
298
Birds
Accipitridae
Accipitriformes
Aves
Animalia
21
Cooper's Hawk
Accipiter
cooperii
519
Birds
Accipitridae
Accipitriformes
Aves
Animalia
22
Red-shouldered Hawk
Buteo
lineatus
1694
Birds
Accipitridae
Accipitriformes
Aves
Animalia
23
Red-tailed Hawk
Buteo
jamaicensis
1190
Birds
Accipitridae
Accipitriformes
Aves
Animalia
24
Pileated Woodpecker
Dryocopus
pileatus
1307
Birds
Picidae
Piciformes
Aves
Animalia
25
White-eyed Vireo
Vireo
griseus
444
Birds
Vireonidae
Passeriformes
Aves
Animalia
26
Yellow-throated Vireo
Vireo
flavifrons
276
Birds
Vireonidae
Passeriformes
Aves
Animalia
27
Warbling Vireo
Vireo
gilvus
210
Birds
Vireonidae
Passeriformes
Aves
Animalia
28
Fish Crow
Corvus
ossifragus
380
Birds
Corvidae
Passeriformes
Aves
Animalia
29
Northern Rough-winged Swallow
Stelgidopteryx
serripennis
374
Birds
Hirundinidae
Passeriformes
Aves
Animalia
30
Tree Swallow
Tachycineta
bicolor
830
Birds
Hirundinidae
Passeriformes
Aves
Animalia
31
Carolina Chickadee
Poecile
carolinensis
1454
Birds
Paridae
Passeriformes
Aves
Animalia
32
White-breasted Nuthatch
Sitta
carolinensis
1371
Birds
Sittidae
Passeriformes
Aves
Animalia
33
House Wren
Troglodytes
aedon
577
Birds
Troglodytidae
Passeriformes
Aves
Animalia
34
Golden-crowned Kinglet
Regulus
satrapa
688
Birds
Regulidae
Passeriformes
Aves
Animalia
35
Swainson's Thrush
Catharus
ustulatus
286
Birds
Turdidae
Passeriformes
Aves
Animalia
36
Gray Catbird
Dumetella
carolinensis
1270
Birds
Mimidae
Passeriformes
Aves
Animalia
37
Northern Mockingbird
Mimus
polyglottos
1897
Birds
Mimidae
Passeriformes
Aves
Animalia
38
European Starling
Sturnus
vulgaris
1338
Birds
Sturnidae
Passeriformes
Aves
Animalia
39
House Sparrow
Passer
domesticus
1451
Birds
Passeridae
Passeriformes
Aves
Animalia
40
American Pipit
Anthus
rubescens
258
Birds
Motacillidae
Passeriformes
Aves
Animalia
41
Ovenbird
Seiurus
aurocapilla
706
Birds
Parulidae
Passeriformes
Aves
Animalia
42
Cape May Warbler
Setophaga
tigrina
400
Birds
Parulidae
Passeriformes
Aves
Animalia
43
Chestnut-sided Warbler
Setophaga
pensylvanica
431
Birds
Parulidae
Passeriformes
Aves
Animalia
44
Palm Warbler
Setophaga
palmarum
482
Birds
Parulidae
Passeriformes
Aves
Animalia
45
Eastern Towhee
Pipilo
erythrophthalmus
962
Birds
Emberizidae
Passeriformes
Aves
Animalia
46
Dark-eyed Junco (Slate-colored)
Junco
hyemalis
1529
Birds
Emberizidae
Passeriformes
Aves
Animalia
47
Chipping Sparrow
Spizella
passerina
1297
Birds
Emberizidae
Passeriformes
Aves
Animalia
48
Nelson's Sparrow
Ammospiza
nelsoni
114
Birds
Emberizidae
Passeriformes
Aves
Animalia
49
Saltmarsh Sparrow
Ammospiza
caudacuta
90
Birds
Emberizidae
Passeriformes
Aves
Animalia
50
Song Sparrow
Melospiza
melodia
2205
Birds
Emberizidae
Passeriformes
Aves
Animalia
51
White-throated Sparrow
Zonotrichia
albicollis
2606
Birds
Emberizidae
Passeriformes
Aves
Animalia
52
White-crowned Sparrow
Zonotrichia
leucophrys
496
Birds
Emberizidae
Passeriformes
Aves
Animalia
53
Rose-breasted Grosbeak
Pheucticus
ludovicianus
513
Birds
Cardinalidae
Passeriformes
Aves
Animalia
54
Red-winged Blackbird
Agelaius
phoeniceus
2136
Birds
Icteridae
Passeriformes
Aves
Animalia
55
Eastern Meadowlark
Sturnella
magna
423
Birds
Icteridae
Passeriformes
Aves
Animalia
56
Rusty Blackbird
Euphagus
carolinus
389
Birds
Icteridae
Passeriformes
Aves
Animalia
57
Common Grackle
Quiscalus
quiscula
1069
Birds
Icteridae
Passeriformes
Aves
Animalia
58
Brown-headed Cowbird
Molothrus
ater
1077
Birds
Icteridae
Passeriformes
Aves
Animalia
59
Orchard Oriole
Icterus
spurius
495
Birds
Icteridae
Passeriformes
Aves
Animalia
1
Cownose Ray
Rhinoptera
bonasus
48
Sharks and Rays
Myliobatidae
Myliobatiformes
Chondrichthyes
Animalia
1
Snowberry Clearwing
Hemaris
diffinis
375
Moths
Sphingidae
Lepidoptera
Insecta
Animalia
1
No Common Name
Trepobates
subnitidus
19
Water Striders
Gerridae
Hemiptera
Insecta
Animalia
1
Atlantic Blue Crab
Callinectes
sapidus
325
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
1
Bobcat
Lynx
rufus
26
Mammals
Felidae
Carnivora
Mammalia
Animalia
2
Northern River Otter
Lontra
canadensis
187
Mammals
Mustelidae
Carnivora
Mammalia
Animalia
1
Pink Comb Jelly
Beroe
ovata
11
Comb Jellies
Beroidae
Beroida
Nuda
Animalia
1
Dekay's Brownsnake
Storeria
dekayi
651
Reptiles
Colubridae
Squamata
Reptilia
Animalia
2
Northern Watersnake
Nerodia
sipedon
sipedon
1187
Reptiles
Colubridae
Squamata
Reptilia
Animalia
1
Atlantic Bay Nettle
Chrysaora
chesapeakei
73
Jellyfish
Pelagiidae
Semaeostomeae
Scyphozoa
Animalia
1
Coon's Tail
Ceratophyllum
demersum
76
Hornwort Family
Ceratophyllaceae
Nymphaeales
Magnoliopsida
Plantae
1
Big-leaved Magnolia
Magnolia
macrophylla
33
Magnolia Family
Magnoliaceae
Magnoliales
Magnoliopsida
Plantae
1
White Mulberry
Morus
alba
417
Mulberry Family
Moraceae
Urticales
Magnoliopsida
Plantae
1
Canadian Wood Nettle
Laportea
canadensis
135
Nettle Family
Urticaceae
Urticales
Magnoliopsida
Plantae
1
Eastern Redbud
Cercis
canadensis
458
Pea Family
Fabaceae
Fabales
Magnoliopsida
Plantae