Herefordshire, County of — county
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 21,756
- Group
- True flies
- Peak month
- August
- Records since 2000
- 21,723
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 21,524
- Group
- Caddisflies
- Peak month
- April
- Records since 2000
- 21,424
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 21,307
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 21,208
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 21,188
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 21,114
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 20,980
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 20,922
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 20,829
- Group
- Ferns and horsetails
- Peak month
- June
- Records since 2000
- 20,814
- Group
- Caddisflies
- Peak month
- April
- Records since 2000
- 20,749
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 20,735
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 20,597
- Group
- Grasshoppers and crickets
- Peak month
- August
- Records since 2000
- 20,577
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 20,537
- Group
- Reptiles
- Peak month
- August
- Records since 2000
- 20,492
- Group
- Mammals
- Peak month
- April
- Records since 2000
- 20,457
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 20,226
- Group
- Mammals
- Peak month
- June
- Records since 2000
- 19,920
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 19,854
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 19,787
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 19,779
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 19,515
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 19,098
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 18,902
- Group
- Birds
- Peak month
- May
- Records since 2000
- 18,794
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 18,728
- Group
- Caddisflies
- Peak month
- September
- Records since 2000
- 18,706
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 18,559
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 18,442
- Group
- Mosses
- Peak month
- November
- Records since 2000
- 18,165
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 18,150
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 18,136
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 18,107
- Group
- Fish
- Peak month
- July
- Records since 2000
- 18,003
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 17,871
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 17,847
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 17,704
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 17,587
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 17,510
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 17,492
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 17,452
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 17,406
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 17,320
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 17,268
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 17,196