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  1. List of largest birds - Wikipedia

    The largest extant species of bird measured by mass is the common ostrich (Struthio camelus), closely followed by the Somali ostrich (Struthio molybdophanes).

  2. 14 of the biggest birds on Earth - Live Science

    Jul 4, 2025 · From 9-foot tall ostriches to albatrosses with gargantuan wingspans, here are some of the biggest birds in the world.

  3. 15 Largest Birds in the World [With Photos] - Our Planet

    Sep 29, 2022 · Trumpeter swan (Cygnus buccinator, from the Latin Cygnus -swan- and buccinare -to trumpet-) is one of the largest and heaviest flying bird species in the world. They are native …

  4. What is the biggest bird in the world? - Natural History Museum

    Ostriches are the world’s largest living birds. There are two species of this flightless giant – the common ostrich, Struthio camelus, and the Somali ostrich, Struthio molybdophanes.

  5. Top 10 Biggest Birds in The World: Size, Flight & Unique Features

    Nov 4, 2025 · The world’s largest birds include the common ostrich, which towers at 8 meters tall and weighs up to 156 kilograms, alongside other flightless giants like cassowaries, emus, and …

  6. 24 of the World’s Largest Birds and Their Astonishing Wingspans

    Aug 9, 2025 · The world’s largest birds don’t just dominate the skies—they own them. From the ocean-borne albatross, with wings that seem to touch both ends of the horizon, to the mighty …

  7. Largest Birds in the World - wildlifediscoveries.com

    Sep 15, 2025 · The elephant bird (Aepyornis maximus) claims the title of the largest bird species that ever spread its wings. Scientists estimate it weighed between 275-1,000 kilograms (610 …

  8. What Are the Largest Birds in the World? - Biology Insights

    The Wandering Albatross boasts the largest wingspan of any living bird, making it a master of oceanic flight. Their wings can span an impressive 8 to 11 feet (2.5 to 3.5 meters), with …

  9. The 10 Biggest Birds in the World (With Pics and Fascinating Facts)

    Not only is it the tallest and heaviest bird alive, but it also boasts the title of the fastest runner on two legs among birds, capable of reaching speeds up to 45 mph. Ostriches have a distinctive …

  10. Discover the 10 biggest, heaviest birds in the world: Towering …

    Apr 7, 2025 · Elephant birds are thought to have been the largest birds to ever exist, weighing over an estimated 500kg. The very tallest bird, however, was the South Island giant moa, a …