plural of ostrich instruction

plural of Somali ostrich

Struthio molybdophanes, a large flightless bird native to the Horn of Africa, previously considered to be a subspecies of the common ostrich.

plural of American ostrich

(dated) rhea (Rhea americana)

plural of ostrich fern

Matteuccia struthiopteris, a crown-forming, colony-forming fern occurring in temperate regions of the Northern Hemisphere in eastern and northern Europe, northern Asia and northern North America.

ornithomimosaur

plural of ostrich dinosaur

(now historical) An extinct subspecies of ostrich, †Struthio camelus syriacus, that lived on the Arabian Peninsula.