If you're going by weight, it's generally believed that the Kori bustard in Africa is the largest. They can weigh up to 40-42 pounds. If you're going by wingspan, it's the wandering albatross, which has a wingspan of up to 12 feet. The largest bid of prey is the Andean condor. They average about 24 pounds and have a wingspan of about 10 feet.
ostrich
Cassowary
Saurus Crane
Ostrich or possible Emu. (Those are the ones alive today)
pig
The largest flying bird in North America is the Condor, or California Condor.
no it cant even fly
The Largest Flying Bird Today Is The Condor. The Largest Flying Bird That Has Ever Lived On The Planet Was The Argentavis, It's Wings Can Be 8 Meters. And Can Be 2.2 Meters Tall. The Tallest Bird Today Is The Sarus Crane Which Can Be 1.8 Meters Tall. The Flying Bird With The Longest Wingspan Today Is The Wandering Albatross. Their Wings Can Be 3.5 Meters.
The largest bird in the world is a ostrich, they can grow to stand 9 feet tall.
the ostrich
Ostrich
The California Condor - which is also an endangered bird.
the largest AND biggest bird is the frigate bird. If you want the fastest ONLY then it would be the peregrine falcon, and if you wanted the biggest FLYING bird it would be a bird called a kori bustard.