Did you know?
Similar to the tigers and lions, male ostriches can roar! This throaty roar is elicited during territorial encounters and is likely used to defend potential mates from intruders.
Sketch contributed by Allison Lau
Source: Bolwig, N. (1973). Agonistic and sexual behavior of the African Ostrich (Struthio camelus). The Condor, 75(1), 100-105.