Calanus finmarchicus
- Group
- Crustaceans
- Peak month
- May
- Records since 2000
- 4,742
Described in 1770
11 species
Sand Goby
- Group
- Fish
- Peak month
- September
- Records since 2000
- 4,325
Common Orange Legionnaire
- Group
- True flies
- Peak month
- July
- Records since 2000
- 4,139
Murky-legged Black Legionnaire
- Group
- True flies
- Peak month
- May
- Records since 2000
- 3,359
Ferruginous Duck
- Group
- Birds
- Peak month
- January
- Records since 2000
- 2,039
Common Rosefinch
- Group
- Birds
- Peak month
- September
- Records since 2000
- 1,758
Pallid Harrier
- Group
- Birds
- Peak month
- September
- Records since 2000
- 1,426
Caspian Tern
- Group
- Birds
- Peak month
- July
- Records since 2000
- 826
Bootlace Worm
- Group
- Other invertebrates
- Peak month
- June
- Records since 2000
- 772
Pied Wheatear
- Group
- Birds
- Peak month
- November
- Records since 2000
- 359
Anthribus fasciatus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 52