World's 10 Biggest Birds.
By: Suman Pant
Massive wingspan, reaching 11 feet.
Symbol of the U.S., wingspan up to 7.5 feet.
Large waterbird, wingspan can exceed 11 feet.
Enormous wingspan, up to 10.5 feet.
About 4.4 feet tall, found in Africa.
Reaches up to 5.1 feet, colorful bird.
Around 4.2 feet tall, South American native.
Approximately 5.7 feet tall, native to Australia.
About 5.8 feet tall, found in Australia and New Guinea.
Up to 9 feet tall, 340 pounds.