Eurasian Tree Sparrow
- Group
- Birds
- Peak month
- May
- Records since 2000
- 68,995
Species recorded in York
446 species
York — county
Large Red Tailed Bumble Bee
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 68,667
Ruff
- Group
- Birds
- Peak month
- September
- Records since 2000
- 67,669
Daubenton's Bat
- Group
- Mammals
- Peak month
- August
- Records since 2000
- 65,340
Indian Balsam
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 62,045
Eurasian Hobby
- Group
- Birds
- Peak month
- May
- Records since 2000
- 61,403
European rabbit
- Group
- Mammals
- Peak month
- May
- Records since 2000
- 61,227
Garden Warbler
- Group
- Birds
- Peak month
- May
- Records since 2000
- 59,895
Tawny Owl
- Group
- Birds
- Peak month
- May
- Records since 2000
- 59,671
Lesser Whitethroat
- Group
- Birds
- Peak month
- May
- Records since 2000
- 59,298
Broad-bodied Chaser
- Group
- Dragonflies and damselflies
- Peak month
- June
- Records since 2000
- 58,431
Common Scoter
- Group
- Birds
- Peak month
- October
- Records since 2000
- 57,365
Dingy Skipper
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 56,840
Red fox
- Group
- Mammals
- Peak month
- August
- Records since 2000
- 56,196
Black-tailed Skimmer
- Group
- Dragonflies and damselflies
- Peak month
- July
- Records since 2000
- 54,605
Barn Owl
- Group
- Birds
- Peak month
- January
- Records since 2000
- 54,544
European roe deer
- Group
- Mammals
- Peak month
- May
- Records since 2000
- 53,679
Common Nettle
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 53,331
Western honey bee
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 51,449
Marsh Tit
- Group
- Birds
- Peak month
- January
- Records since 2000
- 47,776
Barnacle Goose
- Group
- Birds
- Peak month
- October
- Records since 2000
- 47,758
Marmalade hoverfly
- Group
- True flies
- Peak month
- July
- Records since 2000
- 46,804
Emerald Damselfly
- Group
- Dragonflies and damselflies
- Peak month
- August
- Records since 2000
- 46,053
Whooper Swan
- Group
- Birds
- Peak month
- October
- Records since 2000
- 45,803
Ruddy Darter
- Group
- Dragonflies and damselflies
- Peak month
- August
- Records since 2000
- 45,389
Hawthorn
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 44,514
Northern River Crangonyctid
- Group
- Crustaceans
- Peak month
- October
- Records since 2000
- 44,412
Common Feather-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 44,396
New Zealand Mudsnail
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 44,337
Wall
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 43,859
Cypress-leaved Plait-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 41,845
Rough-stalked Feather-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 41,342
Red-eyed Damselfly
- Group
- Dragonflies and damselflies
- Peak month
- June
- Records since 2000
- 40,953
White-tailed Bumble Bee
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 40,355
(Great or Northern) Crested Newt
- Group
- Amphibians
- Peak month
- May
- Records since 2000
- 39,193
Ribwort Plantain
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 39,026
Hogweed
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 38,903
Early Bumble Bee
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 38,075
Green Alkanet
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 37,435
Springy Turf-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 37,320
Green Shieldbug
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 37,202
Brambling
- Group
- Birds
- Peak month
- October
- Records since 2000
- 36,793
Tree Bumblebee
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 35,931
Creeping Buttercup
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 35,825
Creeping Thistle
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 35,350
Garlic Mustard
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 35,141
Cleavers
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 35,139
Ash
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 35,025