Roseate Tern
- Group
- Birds
- Peak month
- July
- Records since 2000
- 4,046
Described in 1813
66 species
Yellow spotted sedge
- Group
- Caddisflies
- Peak month
- May
- Records since 2000
- 2,862
Beautiful Plume
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 2,457
Abludomelita obtusata
- Group
- Crustaceans
- Peak month
- July
- Records since 2000
- 2,298
Plantain Weevil
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 1,803
White-lipped Ramshorn
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 818
Dexamine spinosa
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 762
Parydra coarctata
- Group
- True flies
- Peak month
- July
- Records since 2000
- 732
Acromegalomma vesiculosum
- Group
- Worms (annelids)
- Peak month
- September
- Records since 2000
- 636
Shore fly
- Group
- True flies
- Peak month
- July
- Records since 2000
- 612
Shore fly
- Group
- True flies
- Peak month
- June
- Records since 2000
- 599
Red rock worm
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 539
Red Sword-grass
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 532
Stenothoe monoculoides
- Group
- Crustaceans
- Peak month
- April
- Records since 2000
- 532
Ceratapion gibbirostre
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 465
Hypera postica
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 449
Elachista canapennella
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 426
Galerucella sagittariae
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 382
Psilopa nitidula
- Group
- True flies
- Peak month
- July
- Records since 2000
- 363
Barred chestnut
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 350
Yponomeuta cagnagellus
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 348
Small clouded brindle
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 344
Athanas nitescens
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 308
Teleiodes luculella
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 294
Notiphila cinerea
- Group
- True flies
- Peak month
- June
- Records since 2000
- 291
Sciodrepoides watsoni
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 285
Acrobasis consociella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 284
Aphthona lutescens
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 242
Limnellia quadrata
- Group
- True flies
- Peak month
- July
- Records since 2000
- 224
Nargus velox
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 216
Solitary Sandpiper
- Group
- Birds
- Peak month
- October
- Records since 2000
- 202
Cochylis hybridella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 195
Listers river snail
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 192
Hyadina guttata
- Group
- True flies
- Peak month
- June
- Records since 2000
- 184
Feathered ranunculus
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 175
Thecacera pennigera
- Group
- Molluscs
- Peak month
- June
- Records since 2000
- 173
Mogulones asperifoliarum
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 170
Catops nigricans
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 149
American Bittern
- Group
- Birds
- Peak month
- April
- Records since 2000
- 145
Aproaerema anthyllidella
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 145
Leptocera nigra
- Group
- True flies
- Peak month
- July
- Records since 2000
- 143
Orthocis alni
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 132
Philygria punctatonervosa
- Group
- True flies
- Peak month
- July
- Records since 2000
- 126
Palaemon varians
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 119
Dichaeta caudata
- Group
- True flies
- Peak month
- June
- Records since 2000
- 117
Philygria interstincta
- Group
- True flies
- Peak month
- August
- Records since 2000
- 115
Nostima picta
- Group
- True flies
- Peak month
- July
- Records since 2000
- 113
Plodia interpunctella
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 111
Yellow-ringed carpet
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 99
Nargus wilkinii
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 96
Adaina microdactyla
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 90
Lissodema denticolle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 84
Hyperia galba
- Group
- Crustaceans
- Peak month
- July
- Records since 2000
- 79
Xestia stigmatica
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 78
Otiorhynchus rugifrons
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 71
Calybites phasianipennella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 70
Discocerina obscurella
- Group
- True flies
- Peak month
- June
- Records since 2000
- 69
Caloptilia falconipennella
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 68
Limarus zenkeri
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 63
Sciodrepoides fumatus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 62
Badister unipustulatus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 60
Wood carpet
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 57
Anerastia lotella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 56
Epermenia illigerella
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 55
Masoreus wetterhallii
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 54
Cleopomiarus graminis
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 53