Sea Purslane
- Group
- Flowering plants
- Peak month
- October
- Records since 2000
- 1,735
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- Species by county
- Swansea
Species recorded in Swansea
540 species
Swansea — county
Mottled dingy-brown click beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,696
Greater Sea-spurrey
- Group
- Flowering plants
- Peak month
- October
- Records since 2000
- 1,691
Fragilaria gracilis
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,679
Hornet Robberfly
- Group
- True flies
- Peak month
- August
- Records since 2000
- 1,628
Black-grass
- Group
- Flowering plants
- Peak month
- October
- Records since 2000
- 1,597
Hollyberry Cotoneaster
- Group
- Flowering plants
- Peak month
- September
- Records since 2000
- 1,368
Thrift
- Group
- Flowering plants
- Peak month
- October
- Records since 2000
- 1,323
Sarcophaga nigriventris
- Group
- True flies
- Peak month
- July
- Records since 2000
- 1,253
Small-mouthed Beardless-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 1,253
Surirella brebissonii
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 1,226
Marram Weevil
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,174
Goldenleaf campylium moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 1,173
Neat Crisp-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 1,169
Yellow Crisp-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 1,160
Dolichopus ungulatus
- Group
- True flies
- Peak month
- June
- Records since 2000
- 1,145
Common Spiny Digger Wasp
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 1,138
Sulphur Beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 1,098
Dune robberfly
- Group
- True flies
- Peak month
- July
- Records since 2000
- 1,074
Himalayan cotoneaster
- Group
- Flowering plants
- Peak month
- September
- Records since 2000
- 1,073
Flecked Snout
- Group
- True flies
- Peak month
- July
- Records since 2000
- 1,002
Broscus cephalotes
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 982
Sweat Bee
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 929
Pherbellia cinerella
- Group
- True flies
- Peak month
- July
- Records since 2000
- 900
Bearded Miner Bee
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 877
Red Banded Sand Wasp
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 832
Barred Snout
- Group
- True flies
- Peak month
- July
- Records since 2000
- 811
Coastal Silver-stiletto
- Group
- True flies
- Peak month
- July
- Records since 2000
- 811
Paragus haemorrhous
- Group
- True flies
- Peak month
- July
- Records since 2000
- 791
Marsh St John's-wort
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 783
Hyaline Masked Bee
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 726
Gold-fringed Mason Bee
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 721
Grey Bush Cricket
- Group
- Grasshoppers and crickets
- Peak month
- August
- Records since 2000
- 661
Sand Tailed Digger Wasp
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 613
Spined Mason Bee
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 590
Smeathman's Furrow Bee
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 578
Side-fruited Crisp-moss
- Group
- Mosses
- Peak month
- February
- Records since 2000
- 567
Red Poplar Leaf Beetle
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 561
Curving Feather-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 559
Red Legged Spider Wasp
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 559
Tephritis vespertina
- Group
- True flies
- Peak month
- July
- Records since 2000
- 555
Strandline Beetle
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 526
Leaden Spider Wasp
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 515
Silvery Leaf-cutter Bee
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 499
Formica cunicularia
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 498
A long-horned bee
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 438
Zacladus geranii
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 421
Tortula lindbergii
- Group
- Mosses
- Peak month
- January
- Records since 2000
- 416