Facts
- Records since 2000
- 268,317
- Species recorded
- 7,213
- Area
- 711.3 km²
- Population
- 69,751 (1 January 2011)
- Nation
- Wales
- Type of area
- Unitary Authority
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q42617191
Most recorded species in Isle of Anglesey
| # | Species | Group | Peak month | Records here |
|---|---|---|---|---|
| 1 | Herring Gull Larus argentatus | Birds | April | 4,307 |
| 2 | Carrion Crow Corvus corone | Birds | April | 3,614 |
| 3 | Eurasian Oystercatcher Haematopus ostralegus | Birds | May | 3,271 |
| 4 | Eurasian Blackbird Turdus merula | Birds | May | 2,776 |
| 5 | Mallard Anas platyrhynchos | Birds | April | 2,748 |
| 6 | Black-headed Gull Chroicocephalus ridibundus | Birds | January | 2,705 |
| 7 | Great Cormorant/European Shag Phalacrocorax carbo | Birds | January | 2,605 |
| 8 | Eurasian Wren Troglodytes troglodytes | Birds | April | 2,416 |
| 9 | European Robin Erithacus rubecula | Birds | April | 2,362 |
| 10 | Little Egret/Western Reef-Heron Egretta garzetta | Birds | August | 2,360 |
| 11 | Western Jackdaw Coloeus monedula | Birds | May | 2,275 |
| 12 | Eurasian Magpie Pica pica | Birds | April | 2,265 |
| 13 | Common Wood-Pigeon Columba palumbus | Birds | April | 2,263 |
| 14 | Meadow Brown Maniola jurtina | Butterflies and moths | July | 2,234 |
| 15 | Barn Swallow Hirundo rustica | Birds | May | 2,013 |
| 16 | Gray/Purple Heron Ardea cinerea | Birds | May | 1,910 |
| 17 | Graylag Goose Anser anser | Birds | April | 1,861 |
| 18 | Common Chaffinch Fringilla coelebs | Birds | April | 1,860 |
| 19 | Great Black-backed Gull Larus marinus | Birds | October | 1,839 |
| 20 | European Goldfinch Carduelis carduelis | Birds | April | 1,819 |
| 21 | European Stonechat Saxicola rubicola | Birds | October | 1,812 |
| 22 | Eurasian Curlew Numenius arquata | Birds | October | 1,787 |
| 23 | Common Buzzard Buteo buteo | Birds | April | 1,705 |
| 24 | Dunnock Prunella modularis | Birds | April | 1,692 |
| 25 | Sandwich Tern Thalasseus sandvicensis | Birds | August | 1,671 |
| 26 | Meadow Pipit Anthus pratensis | Birds | October | 1,666 |
| 27 | Mute Swan Cygnus olor | Birds | April | 1,660 |
| 28 | Common Blue Polyommatus icarus | Butterflies and moths | August | 1,610 |
| 29 | Gatekeeper Pyronia tithonus | Butterflies and moths | July | 1,597 |
| 30 | Eurasian Blue Tit Cyanistes caeruleus | Birds | April | 1,578 |
| 31 | White Wagtail Motacilla alba | Birds | April | 1,547 |
| 32 | European Starling Sturnus vulgaris | Birds | May | 1,529 |
| 33 | House Sparrow Passer domesticus | Birds | May | 1,419 |
| 34 | Common Chiffchaff Phylloscopus collybita | Birds | April | 1,408 |
| 35 | Common Raven Corvus corax | Birds | April | 1,388 |
| 36 | Canada Goose (canadensis Group) Branta canadensis | Birds | April | 1,308 |
| 37 | Eurasian Linnet Linaria cannabina | Birds | April | 1,287 |
| 38 | Common Shelduck Tadorna tadorna | Birds | April | 1,246 |
| 39 | Small Heath Coenonympha pamphilus | Butterflies and moths | June | 1,233 |
| 40 | Common Redshank Tringa totanus | Birds | April | 1,200 |
| 41 | Great Tit Parus major | Birds | April | 1,198 |
| 42 | Ring-necked Pheasant Phasianus colchicus | Birds | April | 1,186 |
| 43 | European Shag Phalacrocorax aristotelis | Birds | October | 1,151 |
| 44 | Northern Lapwing Vanellus vanellus | Birds | May | 1,117 |
| 45 | Lesser Black-backed Gull Larus fuscus | Birds | August | 1,114 |
| 46 | Green-winged Teal Anas crecca | Birds | January | 1,025 |
| 47 | Northern Shoveler Spatula clypeata | Birds | January | 984 |
| 48 | Speckled Wood Pararge aegeria | Butterflies and moths | August | 952 |
| 49 | Eurasian Wigeon Mareca penelope | Birds | January | 946 |
| 50 | Northern Gannet Morus bassanus | Birds | July | 921 |
| 51 | Common House-Martin Delichon urbicum | Birds | May | 902 |
| 52 | Willow Warbler Phylloscopus trochilus | Birds | April | 898 |
| 53 | Song Thrush Turdus philomelos | Birds | May | 890 |
| 54 | Common Tern Sterna hirundo | Birds | May | 882 |
| 55 | Eurasian Collared-Dove Streptopelia decaocto | Birds | May | 876 |
| 56 | Ringlet Aphantopus hyperantus | Butterflies and moths | July | 848 |
| 57 | Eurasian Skylark Alauda arvensis | Birds | May | 847 |
| 58 | Arctic Tern Sterna paradisaea | Birds | May | 830 |
| 59 | Eurasian Kestrel Falco tinnunculus | Birds | October | 781 |
| 60 | Eurasian Coot Fulica atra | Birds | April | 773 |