Flightless Birds Size Comparison Living Extinct

’s wren and Stephens Island mesite kiwi spotted kiwi cormorant rail neocaledoniae defossor auk Island emu rhea island emu penguin moa (Megalapteryx didinus) bush moa moa and Broad billed moa (Euryapteryx curtus) cassowary rhea rapidus moa (Pachyornis australis) cassowary ’s moa (Pachyornis geranoides) moa (Emeus crassus) nordenskjoeldi moa (Pachyornis elephantopus) walleri emu 31. Emu ostrich brasiliensis ostrich ostrich (Gastornis gigantea) guillermoi Island giant moa (Dinornis robustus) Island giant moa (Dinornis novaezealandiae) titan 45