William Thompson, The Natural History of Ireland… (1849)
“ Orange-legged Hobby. Falco rufipes, Besecke. vespertinus, Gmel. Is an extremely rare visitant. Its occurrence in Ireland was first noticed, in a communication which I made to the Zoological Society of London (in June, 1835) , respecting an immature specimen obtained in the county of Wicklow, in the summer of 1832. ”
