Aesculus carnea
- Group
- Flowering plants
- Records since 2000
- 223
- Peak month
- May
Oodes helopioides
- Group
- Beetles
- Records since 2000
- 223
- Peak month
- May
The Shining Ram's-horn Snail
- Group
- Molluscs
- Records since 2000
- 223
- Scientific name
- Segmentina nitida
Starry rosette lichen
- Group
- Lichens
- Records since 2000
- 222
- Scientific name
- Physcia stellaris
Cudoniella clavus
- Group
- Fungi
- Records since 2000
- 221
- Peak month
- May
Amobia signata
- Group
- True flies
- Records since 2000
- 220
- Peak month
- May
Ebalia cranchii
- Group
- Crustaceans
- Records since 2000
- 220
- Peak month
- May
English Scurvygrass
- Group
- Flowering plants
- Records since 2000
- 220
- Scientific name
- Cochlearia anglica
Acrosiphonia arcta
- Group
- Seaweeds and algae
- Records since 2000
- 219
- Peak month
- May
Dolerus picipes
- Group
- Bees, wasps and ants
- Records since 2000
- 219
- Peak month
- May
Rolandia coralloides
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 219
- Peak month
- May
Crested dock
- Group
- Flowering plants
- Records since 2000
- 218
- Scientific name
- Rumex cristatus
Great Spotted Cuckoo
- Group
- Birds
- Records since 2000
- 218
- Scientific name
- Clamator glandarius
Microbotryum silenes-dioicae
- Group
- Fungi
- Records since 2000
- 218
- Peak month
- May
Prickly comfrey
- Group
- Flowering plants
- Records since 2000
- 218
- Scientific name
- Symphytum asperum
Small-flowered Buttercup
- Group
- Flowering plants
- Records since 2000
- 218
- Scientific name
- Ranunculus parviflorus
Upogebia stellata
- Group
- Crustaceans
- Records since 2000
- 217
- Peak month
- May
Akashiwo sanguinea
- Group
- Microorganisms and protists
- Records since 2000
- 216
- Peak month
- May
Cacoecimorpha pronubana
- Group
- Butterflies and moths
- Records since 2000
- 216
- Peak month
- May
Field Pepperwort
- Group
- Flowering plants
- Records since 2000
- 216
- Scientific name
- Lepidium campestre
Monoctonus caricis
- Group
- Bees, wasps and ants
- Records since 2000
- 216
- Peak month
- May
Nargus velox
- Group
- Beetles
- Records since 2000
- 216
- Peak month
- May
Aphodius foetidus
- Group
- Beetles
- Records since 2000
- 215
- Peak month
- May
Blue-eyed-Mary
- Group
- Flowering plants
- Records since 2000
- 215
- Scientific name
- Omphalodes verna
Coscinodiscus wailesii
- Group
- Seaweeds and algae
- Records since 2000
- 215
- Peak month
- May
Eulia ministrana
- Group
- Butterflies and moths
- Records since 2000
- 215
- Peak month
- May
Psylliodes napi
- Group
- Beetles
- Records since 2000
- 215
- Peak month
- May
Epuraea melanocephala
- Group
- Beetles
- Records since 2000
- 214
- Peak month
- May
Mesodinium rubrum
- Group
- Microorganisms and protists
- Records since 2000
- 214
- Peak month
- May
Taeniapion urticarium
- Group
- Beetles
- Records since 2000
- 214
- Peak month
- May
Crisilla semistriata
- Group
- Molluscs
- Records since 2000
- 213
- Peak month
- May
Philonthus laminatus
- Group
- Beetles
- Records since 2000
- 213
- Peak month
- May
Scarab Shieldbug
- Group
- True bugs
- Records since 2000
- 213
- Scientific name
- Thyreocoris scarabaeoides
Arthrorhaphis lichen
- Group
- Lichens
- Records since 2000
- 212
- Scientific name
- Arthrorhaphis citrinella
Phyllonorycter harrisella
- Group
- Butterflies and moths
- Records since 2000
- 212
- Peak month
- May
Sclerococcum sphaerale
- Group
- Fungi
- Records since 2000
- 212
- Peak month
- May
Acupalpus exiguus
- Group
- Beetles
- Records since 2000
- 211
- Peak month
- May
Pixie foam lichen
- Group
- Lichens
- Records since 2000
- 211
- Scientific name
- Stereocaulon pileatum
Porhydrus lineatus
- Group
- Beetles
- Records since 2000
- 211
- Peak month
- May
Apseudopsis latreillii
- Group
- Crustaceans
- Records since 2000
- 210
- Peak month
- May
Kandaea elodes
- Group
- Mosses
- Records since 2000
- 210
- Peak month
- May
Micropterix aureatella
- Group
- Butterflies and moths
- Records since 2000
- 210
- Peak month
- May
Ocyusa maura
- Group
- Beetles
- Records since 2000
- 210
- Peak month
- May
Pediacus dermestoides
- Group
- Beetles
- Records since 2000
- 210
- Peak month
- May
Prasocuris junci
- Group
- Beetles
- Records since 2000
- 210
- Peak month
- May
Eloeophila submarmorata
- Group
- True flies
- Records since 2000
- 209
- Peak month
- May
Hydrophoria linogrisea
- Group
- True flies
- Records since 2000
- 209
- Peak month
- May
Linyphia hortensis
- Group
- Spiders
- Records since 2000
- 209
- Peak month
- May