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Maryland Checklist - Dean Mahlstedt - all-time (Total: 162)
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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
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\n
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\n
Extirpated
\n
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\n
G1 (Highly globally rare)
\n
G2 (Globally rare)
\n
G3 (Globally rare/local)
\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
Invasive
\n
Nativity Uncertain
\n
Non-native
\n
Reviewable (MD/DCRC)
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S1 (Highly state rare)
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S1B (Highly state rare breeder)
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S1S2 (Highly state rare)
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S2 (State rare)
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S2S3 (State rare)
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Western MD only
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Photos
Common Name
Genus
Species
Category
Family
Order
Class
Kingdom
1
American Bullfrog
Lithobates
catesbeianus
Amphibians
Ranidae
Anura
Amphibia
Animalia
2
Green Frog
Lithobates
clamitans
Amphibians
Ranidae
Anura
Amphibia
Animalia
3
American Toad
Anaxyrus
americanus
americanus
Amphibians
Bufonidae
Anura
Amphibia
Animalia
4
Gray/Cope's Gray Treefrog
Hyla
versicolor/chrysoscelis
Amphibians
Hylidae
Anura
Amphibia
Animalia
1
Yellow Garden Spider
Argiope
aurantia
Spiders
Araneidae
Araneae
Arachnida
Animalia
1
Black-bellied Whistling-Duck
Dendrocygna
autumnalis
Birds
Anatidae
Anseriformes
Aves
Animalia
2
Cackling Goose
Branta
hutchinsii
hutchinsii
Birds
Anatidae
Anseriformes
Aves
Animalia
3
Canada Goose
Branta
canadensis
Birds
Anatidae
Anseriformes
Aves
Animalia
4
Mute Swan
Cygnus
olor
Birds
Anatidae
Anseriformes
Aves
Animalia
5
Black Swan
Cygnus
atratus
Birds
Anatidae
Anseriformes
Aves
Animalia
6
Egyptian Goose
Alopochen
aegyptiaca
Birds
Anatidae
Anseriformes
Aves
Animalia
7
Wood Duck
Aix
sponsa
Birds
Anatidae
Anseriformes
Aves
Animalia
8
American Wigeon
Mareca
americana
Birds
Anatidae
Anseriformes
Aves
Animalia
9
Mallard
Anas
platyrhynchos
Birds
Anatidae
Anseriformes
Aves
Animalia
10
Canvasback
Aythya
valisineria
Birds
Anatidae
Anseriformes
Aves
Animalia
11
Redhead
Aythya
americana
Birds
Anatidae
Anseriformes
Aves
Animalia
12
Ring-necked Duck
Aythya
collaris
Birds
Anatidae
Anseriformes
Aves
Animalia
13
Greater Scaup
Aythya
marila
Birds
Anatidae
Anseriformes
Aves
Animalia
14
Common Eider
Somateria
mollissima
Birds
Anatidae
Anseriformes
Aves
Animalia
15
Surf Scoter
Melanitta
perspicillata
Birds
Anatidae
Anseriformes
Aves
Animalia
16
Black Scoter
Melanitta
americana
Birds
Anatidae
Anseriformes
Aves
Animalia
17
Red-breasted Merganser
Mergus
serrator
Birds
Anatidae
Anseriformes
Aves
Animalia
18
Ruddy Duck
Oxyura
jamaicensis
Birds
Anatidae
Anseriformes
Aves
Animalia
19
Pied-billed Grebe
Podilymbus
podiceps
Birds
Podicipedidae
Podicipediformes
Aves
Animalia
20
Horned Grebe
Podiceps
auritus
Birds
Podicipedidae
Podicipediformes
Aves
Animalia
21
Mourning Dove
Zenaida
macroura
Birds
Columbidae
Columbiformes
Aves
Animalia
22
Yellow-billed Cuckoo
Coccyzus
americanus
Birds
Cuculidae
Cuculiformes
Aves
Animalia
23
Ruby-throated Hummingbird
Archilochus
colubris
Birds
Trochilidae
Apodiformes
Aves
Animalia
24
Common Gallinule
Gallinula
galeata
Birds
Rallidae
Gruiformes
Aves
Animalia
25
American Oystercatcher
Haematopus
palliatus
Birds
Haematopodidae
Charadriiformes
Aves
Animalia
26
Semipalmated Plover
Charadrius
semipalmatus
Birds
Charadriidae
Charadriiformes
Aves
Animalia
27
Killdeer
Charadrius
vociferus
Birds
Charadriidae
Charadriiformes
Aves
Animalia
28
Ruddy Turnstone
Arenaria
interpres
Birds
Scolopacidae
Charadriiformes
Aves
Animalia
29
Spotted Sandpiper
Actitis
macularius
Birds
Scolopacidae
Charadriiformes
Aves
Animalia
30
Solitary Sandpiper
Tringa
solitaria
Birds
Scolopacidae
Charadriiformes
Aves
Animalia
31
Bonaparte's Gull
Chroicocephalus
philadelphia
Birds
Laridae
Charadriiformes
Aves
Animalia
32
Black-headed Gull
Chroicocephalus
ridibundus
Birds
Laridae
Charadriiformes
Aves
Animalia
33
Ring-billed Gull
Larus
delawarensis
Birds
Laridae
Charadriiformes
Aves
Animalia
34
Great Black-backed Gull
Larus
marinus
Birds
Laridae
Charadriiformes
Aves
Animalia
35
Wood Stork
Mycteria
americana
Birds
Ciconiidae
Ciconiiformes
Aves
Animalia
36
Double-crested Cormorant
Phalacrocorax
auritus
Birds
Phalacrocoracidae
Suliformes
Aves
Animalia
37
Great Blue Heron
Ardea
herodias
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
38
Great Egret
Ardea
alba
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
39
Little Blue Heron
Egretta
caerulea
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
40
Tricolored Heron
Egretta
tricolor
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
41
Green Heron
Butorides
virescens
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
42
Black-crowned Night-Heron
Nycticorax
nycticorax
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
43
Black Vulture
Coragyps
atratus
Birds
Cathartidae
Accipitriformes
Aves
Animalia
44
Turkey Vulture
Cathartes
aura
Birds
Cathartidae
Accipitriformes
Aves
Animalia
45
Osprey
Pandion
haliaetus
Birds
Pandioidae
Accipitriformes
Aves
Animalia
46
Cooper's Hawk
Accipiter
cooperii
Birds
Accipitridae
Accipitriformes
Aves
Animalia
47
Bald Eagle
Haliaeetus
leucocephalus
Birds
Accipitridae
Accipitriformes
Aves
Animalia
48
Red-shouldered Hawk
Buteo
lineatus
Birds
Accipitridae
Accipitriformes
Aves
Animalia
49
Red-tailed Hawk
Buteo
jamaicensis
Birds
Accipitridae
Accipitriformes
Aves
Animalia
50
Barred Owl
Strix
varia
Birds
Strigidae
Strigiformes
Aves
Animalia
51
Belted Kingfisher
Megaceryle
alcyon
Birds
Alcedinidae
Coraciiformes
Aves
Animalia
52
Red-headed Woodpecker
Melanerpes
erythrocephalus
Birds
Picidae
Piciformes
Aves
Animalia
53
Red-bellied Woodpecker
Melanerpes
carolinus
Birds
Picidae
Piciformes
Aves
Animalia
54
Yellow-bellied Sapsucker
Sphyrapicus
varius
Birds
Picidae
Piciformes
Aves
Animalia
55
Downy Woodpecker
Dryobates
pubescens
Birds
Picidae
Piciformes
Aves
Animalia
56
Northern Flicker
Colaptes
auratus
Birds
Picidae
Piciformes
Aves
Animalia
57
American Kestrel
Falco
sparverius
Birds
Falconidae
Falconiformes
Aves
Animalia
58
Peregrine Falcon
Falco
peregrinus
Birds
Falconidae
Falconiformes
Aves
Animalia
59
Yellow-bellied Flycatcher
Empidonax
flaviventris
Birds
Tyrannidae
Passeriformes
Aves
Animalia
60
Eastern Kingbird
Tyrannus
tyrannus
Birds
Tyrannidae
Passeriformes
Aves
Animalia
61
Blue Jay
Cyanocitta
cristata
Birds
Corvidae
Passeriformes
Aves
Animalia
62
American Crow
Corvus
brachyrhynchos
Birds
Corvidae
Passeriformes
Aves
Animalia
63
Fish Crow
Corvus
ossifragus
Birds
Corvidae
Passeriformes
Aves
Animalia
64
Horned Lark
Eremophila
alpestris
Birds
Alaudidae
Passeriformes
Aves
Animalia
65
Northern Rough-winged Swallow
Stelgidopteryx
serripennis
Birds
Hirundinidae
Passeriformes
Aves
Animalia
66
Tree Swallow
Tachycineta
bicolor
Birds
Hirundinidae
Passeriformes
Aves
Animalia
67
Barn Swallow
Hirundo
rustica
Birds
Hirundinidae
Passeriformes
Aves
Animalia
68
Carolina Chickadee
Poecile
carolinensis
Birds
Paridae
Passeriformes
Aves
Animalia
69
Black-capped Chickadee
Poecile
atricapillus
Birds
Paridae
Passeriformes
Aves
Animalia
70
Tufted Titmouse
Baeolophus
bicolor
Birds
Paridae
Passeriformes
Aves
Animalia
71
White-breasted Nuthatch
Sitta
carolinensis
Birds
Sittidae
Passeriformes
Aves
Animalia
72
House Wren
Troglodytes
aedon
Birds
Troglodytidae
Passeriformes
Aves
Animalia
73
Carolina Wren
Thryothorus
ludovicianus
Birds
Troglodytidae
Passeriformes
Aves
Animalia
74
Blue-gray Gnatcatcher
Polioptila
caerulea
Birds
Polioptilidae
Passeriformes
Aves
Animalia
75
Ruby-crowned Kinglet
Regulus
calendula
Birds
Regulidae
Passeriformes
Aves
Animalia
76
Eastern Bluebird
Sialia
sialis
Birds
Turdidae
Passeriformes
Aves
Animalia
77
Mountain Bluebird
Sialia
currucoides
Birds
Turdidae
Passeriformes
Aves
Animalia
78
Wood Thrush
Hylocichla
mustelina
Birds
Turdidae
Passeriformes
Aves
Animalia
79
American Robin
Turdus
migratorius
Birds
Turdidae
Passeriformes
Aves
Animalia
80
Varied Thrush
Ixoreus
naevius
Birds
Turdidae
Passeriformes
Aves
Animalia
81
Gray Catbird
Dumetella
carolinensis
Birds
Mimidae
Passeriformes
Aves
Animalia
82
Brown Thrasher
Toxostoma
rufum
Birds
Mimidae
Passeriformes
Aves
Animalia
83
Northern Mockingbird
Mimus
polyglottos
Birds
Mimidae
Passeriformes
Aves
Animalia
84
European Starling
Sturnus
vulgaris
Birds
Sturnidae
Passeriformes
Aves
Animalia
85
Cedar Waxwing
Bombycilla
cedrorum
Birds
Bombycillidae
Passeriformes
Aves
Animalia
86
House Sparrow
Passer
domesticus
Birds
Passeridae
Passeriformes
Aves
Animalia
87
Evening Grosbeak
Coccothraustes
vespertinus
Birds
Fringillidae
Passeriformes
Aves
Animalia
88
House Finch
Haemorhous
mexicanus
Birds
Fringillidae
Passeriformes
Aves
Animalia
89
Purple Finch
Haemorhous
purpureus
Birds
Fringillidae
Passeriformes
Aves
Animalia
90
American Goldfinch
Spinus
tristis
Birds
Fringillidae
Passeriformes
Aves
Animalia
91
Snow Bunting
Plectrophenax
nivalis
Birds
Calcariidae
Passeriformes
Aves
Animalia
92
Louisiana Waterthrush
Parkesia
motacilla
Birds
Parulidae
Passeriformes
Aves
Animalia
93
Black-and-white Warbler
Mniotilta
varia
Birds
Parulidae
Passeriformes
Aves
Animalia
94
Magnolia Warbler
Setophaga
magnolia
Birds
Parulidae
Passeriformes
Aves
Animalia
95
Blackpoll Warbler
Setophaga
striata
Birds
Parulidae
Passeriformes
Aves
Animalia
96
Wilson's Warbler
Cardellina
pusilla
Birds
Parulidae
Passeriformes
Aves
Animalia
97
Eastern Towhee
Pipilo
erythrophthalmus
Birds
Emberizidae
Passeriformes
Aves
Animalia
98
Dark-eyed Junco (Slate-colored)
Junco
hyemalis
hyemalis/carolinensis
Birds
Emberizidae
Passeriformes
Aves
Animalia
99
Chipping Sparrow
Spizella
passerina
Birds
Emberizidae
Passeriformes
Aves
Animalia
100
Field Sparrow
Spizella
pusilla
Birds
Emberizidae
Passeriformes
Aves
Animalia
101
Savannah Sparrow
Passerculus
sandwichensis
Birds
Emberizidae
Passeriformes
Aves
Animalia
102
Song Sparrow
Melospiza
melodia
Birds
Emberizidae
Passeriformes
Aves
Animalia
103
White-throated Sparrow
Zonotrichia
albicollis
Birds
Emberizidae
Passeriformes
Aves
Animalia
104
Scarlet Tanager
Piranga
olivacea
Birds
Cardinalidae
Passeriformes
Aves
Animalia
105
Northern Cardinal
Cardinalis
cardinalis
Birds
Cardinalidae
Passeriformes
Aves
Animalia
106
Blue Grosbeak
Passerina
caerulea
Birds
Cardinalidae
Passeriformes
Aves
Animalia
107
Red-winged Blackbird
Agelaius
phoeniceus
Birds
Icteridae
Passeriformes
Aves
Animalia
108
Rusty Blackbird
Euphagus
carolinus
Birds
Icteridae
Passeriformes
Aves
Animalia
109
Common Grackle
Quiscalus
quiscula
Birds
Icteridae
Passeriformes
Aves
Animalia
110
Brown-headed Cowbird
Molothrus
ater
Birds
Icteridae
Passeriformes
Aves
Animalia
111
Orchard Oriole
Icterus
spurius
Birds
Icteridae
Passeriformes
Aves
Animalia
1
No Common Name
Apheloria
virginiensis
Millipedes
Xystodesmidae
Polydesmida
Diplopoda
Animalia
1
Zebra Swallowtail
Eurytides
marcellus
Butterflies
Papilionidae
Lepidoptera
Insecta
Animalia
2
Eastern Tiger Swallowtail
Pterourus
glaucus
Butterflies
Papilionidae
Lepidoptera
Insecta
Animalia
3
Clouded Sulphur
Colias
philodice
Butterflies
Pieridae
Lepidoptera
Insecta
Animalia
4
Cloudless Sulphur
Phoebis
sennae
Butterflies
Pieridae
Lepidoptera
Insecta
Animalia
5
Pearl Crescent
Phyciodes
tharos
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
6
Red-spotted Purple
Limenitis
arthemis
astyanax
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
7
Monarch
Danaus
plexippus
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
8
Silver-spotted Skipper
Epargyreus
clarus
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
1
American Carrion Beetle
Necrophila
americana
Carrion Beetles
Silphidae
Coleoptera
Insecta
Animalia
1
Ebony Jewelwing
Calopteryx
maculata
Damselflies
Calopterygidae
Odonata
Insecta
Animalia
1
Common Pondhawk
Erythemis
simplicicollis
Dragonflies
Libellulidae
Odonata
Insecta
Animalia
2
Widow Skimmer
Libellula
luctuosa
Dragonflies
Libellulidae
Odonata
Insecta
Animalia
3
Common Whitetail
Plathemis
lydia
Dragonflies
Libellulidae
Odonata
Insecta
Animalia
1
Obscure Bird Grasshopper
Schistocerca
obscura
Grasshoppers
Acrididae
Orthoptera
Insecta
Animalia
1
Red Milkweed Beetle
Tetraopes
tetrophthalmus
Long-horned Beetles
Cerambycidae
Coleoptera
Insecta
Animalia
1
Luna Moth
Actias
luna
Moths
Saturniidae
Lepidoptera
Insecta
Animalia
2
Orange-tipped Oakworm Moth
Anisota
senatoria
Moths
Saturniidae
Lepidoptera
Insecta
Animalia
3
Tulip-tree Silkmoth
Callosamia
angulifera
Moths
Saturniidae
Lepidoptera
Insecta
Animalia
4
Tulip-tree Beauty Moth
Epimecis
hortaria
Moths
Geometridae
Lepidoptera
Insecta
Animalia
5
Fall Webworm Moth
Hyphantria
cunea
Moths
Erebidae
Lepidoptera
Insecta
Animalia
6
Isabella Tiger Moth
Pyrrharctia
isabella
Moths
Erebidae
Lepidoptera
Insecta
Animalia
1
Japanese Beetle
Popillia
japonica
Scarab Beetles
Scarabaeidae
Coleoptera
Insecta
Animalia
1
Large Milkweed Bug
Oncopeltus
fasciatus
Seed Bugs
Lygaeidae
Hemiptera
Insecta
Animalia
1
Margined Leatherwing
Chauliognathus
marginatus
Soldier Beetles
Cantharidae
Coleoptera
Insecta
Animalia
1
Eastern Cottontail
Sylvilagus
floridanus
Mammals
Leporidae
Lagomorpha
Mammalia
Animalia
2
Woodchuck
Marmota
monax
Mammals
Sciuridae
Rodentia
Mammalia
Animalia
3
Eastern Gray Squirrel
Sciurus
carolinensis
Mammals
Sciuridae
Rodentia
Mammalia
Animalia
4
Delmarva Fox Squirrel
Sciurus
niger
cinereus
Mammals
Sciuridae
Rodentia
Mammalia
Animalia
5
American Beaver
Castor
canadensis
Mammals
Castoridae
Rodentia
Mammalia
Animalia
6
Red Fox
Vulpes
vulpes
Mammals
Canidae
Carnivora
Mammalia
Animalia
7
Common Raccoon
Procyon
lotor
Mammals
Procyonidae
Carnivora
Mammalia
Animalia
8
Harbor Seal
Phoca
vitulina
Mammals
Phocidae
Carnivora
Mammalia
Animalia
9
White-tailed Deer
Odocoileus
virginianus
Mammals
Cervidae
Artiodactyla
Mammalia
Animalia
10
Feral Horse
Equus
caballus
Mammals
Equidae
Perissodactyla
Mammalia
Animalia
1
Snapping Turtle
Chelydra
serpentina
Reptiles
Chelydridae
Testudines
Reptilia
Animalia
2
Eastern Box Turtle
Terrapene
carolina
carolina
Reptiles
Emydidae
Testudines
Reptilia
Animalia
3
Eastern Painted Turtle
Chrysemys
picta
picta
Reptiles
Emydidae
Testudines
Reptilia
Animalia
4
Red-eared Slider
Trachemys
scripta
elegans
Reptiles
Emydidae
Testudines
Reptilia
Animalia
5
Northern Red-bellied Turtle
Pseudemys
rubriventris
Reptiles
Emydidae
Testudines
Reptilia
Animalia
6
Northern Watersnake
Nerodia
sipedon
sipedon
Reptiles
Colubridae
Squamata
Reptilia
Animalia
1
Skunk Cabbage
Symplocarpus
foetidus
Arum Family
Araceae
Arales
Magnoliopsida
Plantae
1
Oriental Bittersweet
Celastrus
orbiculatus
Bittersweet Family
Celastraceae
Celastrales
Magnoliopsida
Plantae
1
Mountain Laurel
Kalmia
latifolia
Heath Family
Ericaceae
Ericales
Magnoliopsida
Plantae
1
American Holly
Ilex
opaca
Holly Family
Aquifoliaceae
Celastrales
Magnoliopsida
Plantae
1
Eastern Redbud
Cercis
canadensis
Pea Family
Fabaceae
Fabales
Magnoliopsida
Plantae
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