Flightless Birds What was the largest flightless bird?

by marfis75

Question by GW: What was the largest flightless bird?
I am not determining the largest bird by weight, but by overall size! Which of these was the largest Flightless Bird:

1. Aepyornis & Dromornis (Both were same size and weight)
2. Kelenken (Largest Terror Bird)
3. Brontornis (Terror Bird)

Best answer:

Answer by Sophie
a penguin

What do you think? Answer below!

Tags:bird, Birds, Flightless, Largest