Goose barnacle migrate, it was thought that barnacle geese, "Branta leucopsis", developed from this crustacean, since they were never seen to nest in temperate Europe, hence the English names "goose barnacle", "barnacle goose" and the scientific name "Lepas anserifera" (, "goose"). The confusion was prompted by the similarities in colour and shape. Because they were often found on driftwood, it was assumed that the barnacles were attached to branches before they fell in the water. The archdeacon of Brecon, Gerald of Wales, made this claim in his "Topographia Hiberniae". Since barnacle geese were thought to be "neither flesh, nor born of flesh",
Egyptian goose 100 sightings just in 1Q 2018 as reported in ebird.org database. The Egyptian goose is believed to be most closely related to the shelducks (genus "Tadorna") and their relatives, and is placed with them in the subfamily Tadorninae. It is the only extant member of the genus "Alopochen", which also contains closely related prehistoric and recently extinct species. mtDNA cytochrome "b" sequence data suggest that the relationships of "Alopochen" to "Tadorna" need further investigation. The generic name is based on Greek ἀλώπηξ ("alōpēx"), "fox", and χήν ("chēn") "goose", referring to the ruddy colour of its back. The species name "aegyptius"