Heath Snail
- Group
- Molluscs
- Peak month
- June
- Records since 2000
- 1,269
- Home
- Designations
- Biodiversity List – Northern Ireland
Biodiversity List – Northern Ireland
349 species
Field Gentian
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 1,232
Powdered Quaker
- Group
- Butterflies and moths
- Peak month
- April
- Records since 2000
- 1,220
Ghost Moth
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,212
Field Cuckoo Bee
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 1,191
Crescent
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 1,151
Sallow [moth]
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 1,132
Dot Moth
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,111
Latticed Heath
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,107
Cloudberry
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 1,005
Fen Bedstraw
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 986
Spiny Lobster
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 979
Blue Fleabane
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 937
August Thorn
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 903
Goose Foot Starfish
- Group
- Starfish and sea urchins
- Peak month
- March
- Records since 2000
- 870
Glossy Buckthorn
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 868
Grass Rivulet
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 834
Tubular Water-dropwort
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 801
Brown Snail
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 800
Large Hook-moss
- Group
- Mosses
- Peak month
- May
- Records since 2000
- 791
Globeflower
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 787
Bog-rosemary
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 779
Purple Sun Star
- Group
- Starfish and sea urchins
- Peak month
- August
- Records since 2000
- 733
Hyaline Masked Bee
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 726
Frog Orchid
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 717
Pyura microcosmus
- Group
- Sea squirts
- Peak month
- September
- Records since 2000
- 704
Ash-black Slug
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 699
Straight-leaved Apple-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 685
European smelt, Smelt
- Group
- Fish
- Peak month
- September
- Records since 2000
- 684
European chickweed
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 682
Wood Small-reed
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 674
Nathusius's Bat
- Group
- Mammals
- Peak month
- September
- Records since 2000
- 662
Melancholy Thistle
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 661
Orca
- Group
- Mammals
- Peak month
- May
- Records since 2000
- 647
Grey Tooth
- Group
- Fungi
- Peak month
- September
- Records since 2000
- 632
Minor Shoulder-knot
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 608
Lesser Butterfly-orchid
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 606
Water-violet
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 598
Risso's dolphin
- Group
- Mammals
- Peak month
- August
- Records since 2000
- 581
Laccophilus hyalinus
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 573
Northern Colletes
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 567
Crisp rockbrake
- Group
- Ferns and horsetails
- Peak month
- July
- Records since 2000
- 566
Ear Moth
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 545
Feathered Gothic
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 545
Dark Brocade
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 527
River Jelly Lichen
- Group
- Lichens
- Peak month
- September
- Records since 2000
- 524
Sprawler
- Group
- Butterflies and moths
- Peak month
- November
- Records since 2000
- 512
Haworth's Minor
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 506