Ostrich-Like Birds: Emus, Rheas, Cassowaries and Other Lookalikes
Quick answer: Emus, cassowaries, and rheas are the birds most closely related to ostriches because they are fellow flightless ratites. Kori Bustards, Great Bustards, and Marabou Storks only resemble ostriches in height or posture. The Somali Ostrich is a true ostrich species, so it is included below only as a comparison—not as a look-alike. When…