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Counties in Delaware

Species in Delaware

Common Species in Delaware

Showing 15 most frequently observed species out of 100 total documented species.

Harmonia axyridis

Harmonia axyridis

Harlequin ladybird

Very Common839 obs.
Anaxyrus fowleri

Anaxyrus fowleri

fowler's toad

Very Common790 obs.
Ardea herodias

Ardea herodias

Great Blue Heron

Very Common467 obs.
Ischnura posita

Ischnura posita

Fragile Forktail

Very Common435 obs.
Pseudemys rubriventris

Pseudemys rubriventris

Eastern Redbelly Turtle

Common395 obs.
Erythemis simplicicollis

Erythemis simplicicollis

Eastern Pondhawk

Common388 obs.
Pachydiplax longipennis

Pachydiplax longipennis

Blue Dasher

Common387 obs.
Pandion haliaetus

Pandion haliaetus

osprey

Common304 obs.
Plathemis lydia

Plathemis lydia

Common Whitetail

Occasional302 obs.
Haliaeetus leucocephalus

Haliaeetus leucocephalus

Bald Eagle

Occasional285 obs.
Odocoileus virginianus

Odocoileus virginianus

Key Deer

Occasional265 obs.
Lithobates catesbeianus

Lithobates catesbeianus

Common Bullfrog

Occasional264 obs.
Danaus plexippus

Danaus plexippus

monarch

Occasional247 obs.
Libellula incesta

Libellula incesta

Slaty Skimmer

Rare241 obs.
Calopteryx maculata

Calopteryx maculata

Ebony Jewelwing

Rare233 obs.

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Found 3 distinct counties:

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