Olive-backed Pipit
- Group
- Birds
- Peak month
- October
- Records since 2000
- 674
Described in 1907
17 species
Colossendeis glacialis
- Group
- Other invertebrates
- Peak month
- August
- Records since 2000
- 540
Temnostethus gracilis
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 305
Podosira stelligera
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 282
Hydraena britteni
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 197
Psychoda uniformata
- Group
- True flies
- Peak month
- September
- Records since 2000
- 189
Hemimysis anomala
- Group
- Crustaceans
- Peak month
- October
- Records since 2000
- 169
Cooley Spruce Gall Adelgid
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 92
Cobbia trefusiaeformis
- Group
- Roundworms
- Peak month
- November
- Records since 2000
- 88
Terschellingia longicaudata
- Group
- Roundworms
- Peak month
- April
- Records since 2000
- 86
Dasineura fraxinea
- Group
- True flies
- Peak month
- August
- Records since 2000
- 77
Eunotia naegelii
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 77
Dilta hibernica
- Group
- Other insects
- Peak month
- July
- Records since 2000
- 73
Eleutherolaimus stenosoma
- Group
- Roundworms
- Peak month
- May
- Records since 2000
- 71
Bryomyia gibbosa
- Group
- True flies
- Peak month
- April
- Records since 2000
- 69
Hauptidia maroccana
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 54
Lestodiplosis juniperina
- Group
- True flies
- Peak month
- June
- Records since 2000
- 54