Northamptonshire — county
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 8,578
- Group
- True flies
- Peak month
- July
- Records since 2000
- 8,563
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 8,502
- Group
- True flies
- Peak month
- June
- Records since 2000
- 8,496
- Group
- Caddisflies
- Peak month
- September
- Records since 2000
- 8,446
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 8,431
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 8,401
- Group
- Caddisflies
- Peak month
- April
- Records since 2000
- 8,270
- Group
- Bees, wasps and ants
- Peak month
- April
- Records since 2000
- 8,242
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 8,199
- Group
- True flies
- Peak month
- August
- Records since 2000
- 8,124
- Group
- True flies
- Peak month
- July
- Records since 2000
- 8,117
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 8,049
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 7,999
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 7,932
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 7,910
- Group
- Caddisflies
- Peak month
- April
- Records since 2000
- 7,901
- Group
- Caddisflies
- Peak month
- July
- Records since 2000
- 7,824
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 7,779
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 7,677
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 7,566
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 7,497
- Group
- Flowering plants
- Peak month
- October
- Records since 2000
- 7,415
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 7,311
- Group
- True flies
- Peak month
- May
- Records since 2000
- 7,283
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 7,207
- Group
- Mosses
- Peak month
- October
- Records since 2000
- 7,130
- Group
- True flies
- Peak month
- June
- Records since 2000
- 7,101
- Group
- Dragonflies and damselflies
- Peak month
- June
- Records since 2000
- 6,965
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 6,957
- Group
- Mosses
- Peak month
- November
- Records since 2000
- 6,950
- Group
- Flowering plants
- Peak month
- March
- Records since 2000
- 6,936
- Group
- Worms (annelids)
- Peak month
- October
- Records since 2000
- 6,917
- Group
- Caddisflies
- Peak month
- May
- Records since 2000
- 6,888
- Group
- Caddisflies
- Peak month
- May
- Records since 2000
- 6,879
- Group
- True flies
- Peak month
- July
- Records since 2000
- 6,849
- Group
- True flies
- Peak month
- October
- Records since 2000
- 6,837
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 6,781
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 6,743
- Group
- Caddisflies
- Peak month
- May
- Records since 2000
- 6,717
- Group
- True flies
- Peak month
- July
- Records since 2000
- 6,599
- Group
- True flies
- Peak month
- April
- Records since 2000
- 6,574
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 6,503
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 6,492
- Group
- Mosses
- Peak month
- August
- Records since 2000
- 6,465
- Group
- True flies
- Peak month
- April
- Records since 2000
- 6,458
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 6,411
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 6,364