Top 10 Heaviest Extant Bird in the World

Created by Akash

image source: google

NO 10 - Lesser Rhea: Average weight 19.6 kg (43 lb) and Maximum weigh 28.6 kg (63 lb).

NO 9 - Dwarf Cassowary: Average weight 19.7 kg (43 lb) and Maximum weight 34 kg (75 lb).

NO 8 - Domestic/Wild Turkey: Average weight 13.5 kg (29.8 lb) and Maximum weight 39 kg (86 lb).

N0 7 - Greater Rhea: Average weight 23 kg (51 lb) and Maximum weight 40 kg (88 lb).

NO 6 - Emperor Penguin: Average weight 31.5 kg (69 lb) and Maximum weight 46 kg (100 lb).

NO 5 - Emu Bird: Average weight 33 kg (73 lb) and Maximum weight 70 kg (150 lb).

NO 4 - Northern Cassowary: Average weight 44 kg (97 lb) and Maximum weigh 75 kg (170 lb).

NO 3 - Southern Cassowary: Average weight 45 kg (99 lb) and Maximum weight 85 kg (190 lb).

NO 2 - Somali Ostrich: Average weight 90 kg (200 lb) and Maximum weight 130 kg (287 lb). 

NO 1 - Common Ostrich: Average weight 104 kg (230 lb) and Maximum weight 156.8 kg (346 lb).