sentences:  The invisible rail, first classified by English zoologist George Robert Gray in 1860, is the only member of the monotypic genus "Habroptila".The genus name "Habroptila" derives from the Greek "habros", "delicate, pretty, splendid" and "ptilon", "feather, wing"; " wallacii " commemorates British zoologist Alfred Russel Wallace.Local names include "soisa", "tibiales" and "rèie".