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Biodiversity List – Northern Ireland

Biodiversity List – Northern Ireland

349 species

Spotted Flycatcher

Group: Birds
Peak month: May
Records since 2000: 43,874

Wall

Group: Butterflies and moths
Peak month: August
Records since 2000: 43,859

Lesser sand-eel, Raitt's Sandeel

Group: Fish
Peak month: December
Records since 2000: 32,762

Great Bittern

Group: Birds
Peak month: May
Records since 2000: 30,985

Grayling [butterfly]

Group: Butterflies and moths
Peak month: August
Records since 2000: 30,847

European otter

Group: Mammals
Peak month: May
Records since 2000: 28,426

Sea trout, Brown trout

Group: Fish
Peak month: August
Records since 2000: 27,416

Tree Pipit

Group: Birds
Peak month: May
Records since 2000: 26,173

Parasitic Jaeger

Group: Birds
Peak month: September
Records since 2000: 26,147

Small Blue

Group: Butterflies and moths
Peak month: June
Records since 2000: 24,267

Short-eared Owl

Group: Birds
Peak month: January
Records since 2000: 23,364

Hedgehog

Group: Mammals
Peak month: August
Records since 2000: 23,362

Common Grasshopper-Warbler

Group: Birds
Peak month: April
Records since 2000: 23,015

Garganey

Group: Birds
Peak month: May
Records since 2000: 21,932

Angler

Group: Fish
Peak month: March
Records since 2000: 20,901

European Common Lizard

Group: Reptiles
Peak month: August
Records since 2000: 20,492

Little Tern

Group: Birds
Peak month: May
Records since 2000: 20,325

Greater Scaup

Group: Birds
Peak month: January
Records since 2000: 19,363

European Eel

Group: Fish
Peak month: July
Records since 2000: 18,003

Atlantic Salmon

Group: Fish
Peak month: August
Records since 2000: 16,731

Red-billed Chough

Group: Birds
Peak month: June
Records since 2000: 16,591

Twite

Group: Birds
Peak month: October
Records since 2000: 16,436

Marsh Fritillary

Group: Butterflies and moths
Peak month: June
Records since 2000: 14,938

Hen Harrier

Group: Birds
Peak month: January
Records since 2000: 14,659

Cinnabar

Group: Butterflies and moths
Peak month: June
Records since 2000: 14,180

Ring Ouzel

Group: Birds
Peak month: April
Records since 2000: 13,904

European Turtle-Dove

Group: Birds
Peak month: May
Records since 2000: 13,049

Harbor seal

Group: Mammals
Peak month: July
Records since 2000: 12,641

Common long-eared bat

Group: Mammals
Peak month: June
Records since 2000: 12,493

Eared Grebe

Group: Birds
Peak month: January
Records since 2000: 11,738

White-tailed Eagle

Group: Birds
Peak month: August
Records since 2000: 11,717

Blue skate

Group: Fish
Peak month: November
Records since 2000: 11,417

Basking Shark

Group: Fish
Peak month: August
Records since 2000: 10,066

Hawfinch

Group: Birds
Peak month: January
Records since 2000: 9,785

Tundra Swan

Group: Birds
Peak month: January
Records since 2000: 9,716

Arctic/Pacific Loon

Group: Birds
Peak month: January
Records since 2000: 9,541

Ling [Fish]

Group: Fish
Peak month: August
Records since 2000: 9,490

Meadow Crane's-bill

Group: Flowering plants
Peak month: July
Records since 2000: 9,089

Eurasian Nightjar

Group: Birds
Peak month: June
Records since 2000: 8,474

Bristly Oxtongue

Group: Flowering plants
Peak month: July
Records since 2000: 8,049

White Ermine

Group: Butterflies and moths
Peak month: June
Records since 2000: 7,356

Harbor porpoise

Group: Mammals
Peak month: July
Records since 2000: 6,518

Squat Lobster

Group: Crustaceans
Peak month: June
Records since 2000: 6,374

Small Square-spot

Group: Butterflies and moths
Peak month: August
Records since 2000: 6,140

European pine marten

Group: Mammals
Peak month: June
Records since 2000: 4,684

Moss Carder Bee

Group: Bees, wasps and ants
Peak month: August
Records since 2000: 4,573

Freshwater White-clawed Crayfish

Group: Crustaceans
Peak month: September
Records since 2000: 4,536

Rosy Rustic

Group: Butterflies and moths
Peak month: August
Records since 2000: 4,443