Top 10 Heaviest Birds
| Eagle | Weight (lbs) | Weight (kg) |
| Ostrich | 346 | 156.8 |
| Double-Wattled Cassowary | 190 | 85 |
| Emu | 130 | 60 |
| Golden-Neck Cassowary | 128 | 58 |
| Emperor Penguin | 100 | 45.4 |
| Greater Rhea | 88 | 40 |
| Darwin’s Rhea | 63 | 28.6 |
| Little Cassowary | 57 | 26 |
| King Penguin | 35 | 16 |
| Dalmatian Pelican | 33 | 15 |
