Woolly Feather-moss
- Group
- Mosses
- Peak month
- October
- Records since 2000
- 219
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- Biodiversity List – Wales
Biodiversity List – Wales
364 species
A stalked jellyfish
- Group
- Jellyfish, corals and anemones
- Peak month
- September
- Records since 2000
- 217
Mullein wave
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 216
Forester
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 213
Deptford pink
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 208
White-Sided Dolphin
- Group
- Mammals
- Peak month
- July
- Records since 2000
- 208
Fen Raft Spider
- Group
- Spiders
- Peak month
- August
- Records since 2000
- 201
Bastard Balm
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 195
A lichen
- Group
- Lichens
- Peak month
- August
- Records since 2000
- 194
A lichen
- Group
- Lichens
- Peak month
- December
- Records since 2000
- 192
Pretty Chalk Carpet
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 190
Blue Shark
- Group
- Fish
- Peak month
- July
- Records since 2000
- 189
Pillwort
- Group
- Ferns and horsetails
- Peak month
- August
- Records since 2000
- 187
Basil Thyme
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 184
A lichen
- Group
- Lichens
- Peak month
- November
- Records since 2000
- 181
Pennyroyal
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 179
Slender Hare's-ear
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 171
Striped Dolphin
- Group
- Mammals
- Peak month
- October
- Records since 2000
- 162
A lichen
- Group
- Lichens
- Peak month
- December
- Records since 2000
- 161
Spreading-leaved beardless-moss
- Group
- Mosses
- Peak month
- February
- Records since 2000
- 161
Oak Lutestring
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 157
Goat Moth
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 154
Tentacled Lagoon-Worm
- Group
- Worms (annelids)
- Peak month
- March
- Records since 2000
- 151
Fan mussel
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 149
Annual knawel
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 148
Marsh Fragrant-orchid
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 148
Holly Fern
- Group
- Ferns and horsetails
- Peak month
- May
- Records since 2000
- 146
Peacock’s tail
- Group
- Seaweeds and algae
- Peak month
- August
- Records since 2000
- 145
A lichen
- Group
- Lichens
- Peak month
- May
- Records since 2000
- 142
A lichen
- Group
- Lichens
- Peak month
- October
- Records since 2000
- 142
Fin Whale
- Group
- Mammals
- Peak month
- October
- Records since 2000
- 142
A lichen
- Group
- Lichens
- Peak month
- January
- Records since 2000
- 141
Aquatic Warbler
- Group
- Birds
- Peak month
- August
- Records since 2000
- 140
Oak polypore
- Group
- Fungi
- Peak month
- July
- Records since 2000
- 140
Southern Silver Stiletto-fly
- Group
- True flies
- Peak month
- June
- Records since 2000
- 139
Shining Guest Ant
- Group
- Bees, wasps and ants
- Peak month
- September
- Records since 2000
- 138
Necklace Ground Beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 137
Spreading Bellflower
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 133
Scarce Four-dot Pin-palp
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 128
Sea Barley
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 128
Small-flowered catchfly
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 126
Northern February Red
- Group
- Stoneflies
- Peak month
- February
- Records since 2000
- 125
Pretty Cord-moss
- Group
- Mosses
- Peak month
- January
- Records since 2000
- 125
Pitted Frillwort
- Group
- Liverworts
- Peak month
- September
- Records since 2000
- 124
Spinach
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 122
Leatherback Turtle
- Group
- Reptiles
- Peak month
- October
- Records since 2000
- 121
Glutinous Snail
- Group
- Molluscs
- Peak month
- October
- Records since 2000
- 120
A lichen
- Group
- Lichens
- Peak month
- May
- Records since 2000
- 119