Anglesey Central Railway Amlwch. The railways arrived on Anglesey with the construction of the Chester and Holyhead Railway, of which the section from Llanfairpwll to Holyhead opened in 1848, two years before the Britannia Bridge was finished. The Chester and Holyhead railway surveyed a branch to Llangefni in 1852, but chose not to proceed. George Stephenson notably reported that the line was not worth building. The idea of a local railway was still of interest to the people of Anglesey. A public meeting was held in Llangefni on 5 July 1858, to popularise the idea of building a railway leaving the main line
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