Bee Fly
- Group
- True flies
- Peak month
- April
- Records since 2000
- 32,811
Species recorded in Conwy
564 species
Conwy — county
Common Loon
- Group
- Birds
- Peak month
- January
- Records since 2000
- 32,765
White-throated Dipper
- Group
- Birds
- Peak month
- May
- Records since 2000
- 32,318
Pointed Spear-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 32,268
White Clover
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 31,709
Golden-ringed Dragonfly
- Group
- Dragonflies and damselflies
- Peak month
- July
- Records since 2000
- 31,664
Capillary Thread-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 31,536
Herb-Robert
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 31,116
English ivy, Common ivy, European ivy, Ivy, Needlepoint ivy, Ripple ivy
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 30,860
Grayling [butterfly]
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 30,847
Green Hairstreak
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 30,308
Japanese Knotweed
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 30,167
Yorkshire-fog
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 29,834
Common Hawker
- Group
- Dragonflies and damselflies
- Peak month
- August
- Records since 2000
- 29,798
Osprey
- Group
- Birds
- Peak month
- August
- Records since 2000
- 28,915
Blackthorn
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 28,574
Cock's-foot
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 28,426
European otter
- Group
- Mammals
- Peak month
- May
- Records since 2000
- 28,426
Whinchat
- Group
- Birds
- Peak month
- September
- Records since 2000
- 28,416
Spotted Redshank
- Group
- Birds
- Peak month
- September
- Records since 2000
- 28,229
Drone Fly
- Group
- True flies
- Peak month
- August
- Records since 2000
- 28,014
Black Guillemot
- Group
- Birds
- Peak month
- May
- Records since 2000
- 27,934
Sea trout, Brown trout
- Group
- Fish
- Peak month
- August
- Records since 2000
- 27,416
Black Darter
- Group
- Dragonflies and damselflies
- Peak month
- August
- Records since 2000
- 26,741
Wood Bristle-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 26,382
Tree Pipit
- Group
- Birds
- Peak month
- May
- Records since 2000
- 26,173
Swan's-neck Thyme-moss
- Group
- Mosses
- Peak month
- April
- Records since 2000
- 25,888
Cuckooflower
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 25,770
Silver-studded Blue
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 25,527
Red Crossbill
- Group
- Birds
- Peak month
- October
- Records since 2000
- 25,473
Forked Veilwort
- Group
- Liverworts
- Peak month
- March
- Records since 2000
- 24,734
Neat Feather-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 24,718
Bullhead
- Group
- Fish
- Peak month
- September
- Records since 2000
- 24,457
Common Bird's-foot-trefoil
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 24,100
Garden Snail
- Group
- Molluscs
- Peak month
- June
- Records since 2000
- 23,914
Bifid Crestwort
- Group
- Liverworts
- Peak month
- March
- Records since 2000
- 23,907
Heather
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 23,828
Dilated Scalewort
- Group
- Liverworts
- Peak month
- March
- Records since 2000
- 23,654
Common Red Soldier Beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 23,196
Broom Fork-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 23,139
Welshman's Button Caddisfly
- Group
- Caddisflies
- Peak month
- April
- Records since 2000
- 22,673
Creeping Feather-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 22,321
Redshank [moss]
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 21,994
Hairy Shieldbug
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 21,763
Grey-cushioned Grimmia
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 21,756
Heath Plait-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 21,593
Sandfly
- Group
- Caddisflies
- Peak month
- April
- Records since 2000
- 21,424
Hydropsyche siltalai
- Group
- Caddisflies
- Peak month
- April
- Records since 2000
- 20,749