Isle of Anglesey County Council Llaneilian (Llaneilian/Rhosybol), Llanfaethlu (Llanfachraeth/Llanfaethlu/Llanrhuddlad ward* of Cylch-y-Garn), Llanfair-yn-Neubwll (Bodedern/Llanfair-yn-Neubwll), Llanfihangel Ysgeifiog (Llanfihangel Ysgeifiog/Penmynydd), Llangoed (Llangoed and Penmon), Llanidan (Llanddaniel Fab/Llanidan), Llannerch-y-medd (Llannerch-y-medd/Tref Alaw), London Road (London Road ward* of Holyhead town), Maeshyfryd (Maeshyfryd ward* of Holyhead town), Mechell (Mechell/Llanfairynghornwy ward* of Cylch-y-Garn), Morawelon (Morawelon ward* of Holyhead), Moelfre (Moelfre), Parc a'r Mynydd (Parc a'r Mynydd ward* of Holyhead town), Pentraeth (Llanddona/Pentraeth), Porthyfelin (Porthyfelin ward* of Holyhead town), Rhosneigr (Rhosneigr ward* of Llanfaelog), Rhosyr (Rhosyr), Trearddur (Rhoscolyn/Trearddur), Tudur (Tudur ward* of Llangefni Town), Tysilio (Tysilio ward* of Menai Bridge) and Valley (Valley). <nowiki>*</nowiki> A review of electoral arrangements on Anglesey by
Anglesey at Mona is a nesting site for skylarks. The sheer cliff faces at South Stack near Holyhead provide nesting sites for huge numbers of auks including puffins, razorbills and guillemots together with choughs and peregrine falcons. Three sites on Anglesey are important for breeding terns – see Anglesey tern colonies. There are significant occurrences of the "Juncus subnodulosus"-"Cirsium palustre" fen-meadow plant association, a habitat characterised by certain hydrophilic grasses, sedges and forbs. Anglesey is home to several species of tern, including the roseate tern. Anglesey is home to two of the UK's few remaining colonies of red squirrels, at Pentraeth