Bristol, City of — county
- Group
- Birds
- Peak month
- October
- Records since 2000
- 33,295
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 33,120
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 32,893
- Group
- True flies
- Peak month
- April
- Records since 2000
- 32,811
- Group
- Birds
- Peak month
- January
- Records since 2000
- 32,765
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 32,268
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 31,536
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 31,187
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 31,116
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 30,308
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 28,574
- Group
- Birds
- Peak month
- September
- Records since 2000
- 28,416
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 28,333
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 28,118
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 28,081
- Group
- True flies
- Peak month
- August
- Records since 2000
- 28,014
- Group
- Birds
- Peak month
- October
- Records since 2000
- 27,274
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 26,555
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 26,382
- Group
- Birds
- Peak month
- October
- Records since 2000
- 26,138
- Group
- Mosses
- Peak month
- April
- Records since 2000
- 25,888
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 25,770
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 25,758
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 25,331
- Group
- Liverworts
- Peak month
- March
- Records since 2000
- 24,734
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 24,718
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 24,717
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 24,139
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 24,020
- Group
- Molluscs
- Peak month
- June
- Records since 2000
- 23,914
- Group
- Liverworts
- Peak month
- March
- Records since 2000
- 23,907
- Group
- Amphibians
- Peak month
- March
- Records since 2000
- 23,841
- Group
- Liverworts
- Peak month
- March
- Records since 2000
- 23,654
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 23,298
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 23,196
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 23,173
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 22,321
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 21,994
- Group
- Birds
- Peak month
- May
- Records since 2000
- 21,932
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 21,756
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 21,524
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 21,114
- Group
- Dragonflies and damselflies
- Peak month
- May
- Records since 2000
- 20,883
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 20,735
- Group
- Grasshoppers and crickets
- Peak month
- August
- Records since 2000
- 20,577
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 20,226
- Group
- Birds
- Peak month
- January
- Records since 2000
- 20,221
- Group
- Mammals
- Peak month
- June
- Records since 2000
- 19,920