Dictionary of the Lithuanian Language.
štrausas — štraũsas sm. (2) KII213, KŽ, štrausas (1) NdŽ; R343, MŽ459, Blv žr. strausas … Dictionary of the Lithuanian Language
strausis — straũsis sm. (2) KŽ; LL240 žr. strausas … Dictionary of the Lithuanian Language