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23,453   species in Massachusetts

Species results

American Beaver
2,908 obs
🫡 National symbol

American Beaver

Castor canadensis
Experienced Sweat Bee
2,898 obs
🦀 Exoskeleton ⚡ Stinging

Experienced Sweat Bee

Lasioglossum versatum
Cory's Shearwater
2,862 obs

Cory's Shearwater

Calonectris borealis
Clouded Sulphur
2,856 obs
🦀 Exoskeleton 🦋 Metamorphosis

Clouded Sulphur

Colias philodice
Common Atlantic Slippersnail
2,853 obs
🐚 Shell-bearing

Common Atlantic Slippersnail

Crepidula fornicata
bloodroot
2,843 obs

bloodroot

Sanguinaria canadensis
Pomarine Jaeger
2,843 obs

Pomarine Jaeger

Stercorarius pomarinus
yellow trout lily
2,827 obs

yellow trout lily

Erythronium americanum
Margined Calligrapher
2,776 obs
🦀 Exoskeleton Pollinator

Margined Calligrapher

Toxomerus marginatus
birch polypore
2,762 obs

birch polypore

Fomitopsis betulina
Spongy Moth
2,751 obs
🦀 Exoskeleton 🦋 Metamorphosis

Spongy Moth

Lymantria dispar
Little Wood Satyr
2,735 obs
🦀 Exoskeleton 🦋 Metamorphosis

Little Wood Satyr

Megisto cymela
northern spicebush
2,687 obs

northern spicebush

Lindera benzoin
ribwort plantain
2,681 obs

ribwort plantain

Plantago lanceolata
Zabulon Skipper
2,666 obs
🦀 Exoskeleton 🦋 Metamorphosis

Zabulon Skipper

Lon zabulon
Spicebush Swallowtail
2,649 obs
🦀 Exoskeleton 🦋 Metamorphosis

Spicebush Swallowtail

Papilio troilus
Barnacle Goose
2,637 obs
🌿 Herbivore 🌍 Migratory

Barnacle Goose

Branta leucopsis
Peck's Skipper
2,636 obs
🦀 Exoskeleton 🦋 Metamorphosis

Peck's Skipper

Polites peckius
bird's-foot trefoil
2,629 obs
Nitrogen-fixing

bird's-foot trefoil

Lotus corniculatus
Bull Thistle
2,613 obs
🐝 Pollinator

Bull Thistle

Cirsium vulgare
Western Kingbird
2,611 obs

Western Kingbird

Tyrannus verticalis
marginal wood fern
2,600 obs

marginal wood fern

Dryopteris marginalis
Japanese Beetle
2,578 obs
🦀 Exoskeleton 🦋 Metamorphosis

Japanese Beetle

Popillia japonica
American Nursery Web Spider
2,564 obs
🕸️ Ambush predator 🦀 Exoskeleton

American Nursery Web Spider

Pisaurina mira
Summer Tanager
2,552 obs

Summer Tanager

Piranga rubra