[4] He was educated in Leamington Spa, Warwickshire,[5] but lived the rest of his life in Oxfordshire, with a keen interest in the natural history of the area.
He published a number of papers and notes on British birds, particularly those of Oxfordshire, Norfolk and the Lleyn Peninsula, North Wales.
In 1892, he published a list of the birds in Banbury with his two brothers, Frederick C. Aplin and Rev.
[6] He regularly contributed annual reports on the ornithology of Oxfordshire to The Zoologist from 1894 until the journal ceased publication in 1916.
He made a number of trips abroad during the 1890s, visiting Switzerland with William Warde Fowler in 1891 and collecting in Uruguay (1892), Eastern Algeria (1895) and north Norway (1896).