Flight speed varies among bird species. Some small birds, such as swallows and canaries, fly at speeds of around 30 miles per hour (48 kilometers per hour), while larger birds, such as vultures and goshawks, can fly much faster, reaching speeds exceeding 150 miles per hour (240 kilometers per hour). The flight speed of different birds depends on factors such as their body size, feather size, and wingspan. This article introduces ten of the world's fastest flying birds: frigatebirds, peregrine falcons, sharp-tailed swifts, golden eagles, gyrfalcons, white-throated needletails, hobbies, red-breasted mergansers, grey-headed albatrosses, and Australian spotted ducks. Let's take a look!

1. Frigatebird
Frigatebirds are tropical seabirds with exceptional flight capabilities, considered among the finest flying birds. Studies have shown that frigatebirds can reach speeds exceeding 150 kilometers per hour, and can maintain this speed even during prolonged gliding. Furthermore, frigatebirds can fly thousands of miles without rest or feeding, making them an species of extreme endurance.

2. Peregrine Falcon
The peregrine falcon is one of the fastest flying birds in the world, capable of swooping down to hunt at speeds of up to 240 miles per hour (386 kilometers per hour). This astonishing speed makes the peregrine falcon one of the most outstanding predators on Earth. However, the peregrine falcon typically cruises at speeds between 40 and 60 miles per hour (64 to 97 kilometers per hour), allowing it to stay airborne for longer periods, searching for and observing prey.

3. Swift
Swifts are fast fliers. According to data, they can reach speeds of approximately 200 kilometers per hour. This speed allows them to nimbly catch insects and other small prey in mid-air. Furthermore, swifts are admired for their graceful flight.

4. Golden Eagle
The golden eagle is a large bird of prey with incredible speed in flight. According to available data, its top speed can reach approximately 320 kilometers per hour. However, this is not its typical flight speed; it usually hovers or glides at a slower pace, searching for its next prey. Of course, when chasing prey, the golden eagle can also accelerate rapidly to seize its target. Overall, the golden eagle is an exceptionally skilled flying animal, its swiftness and superb flight techniques inspiring awe and awe.

5. Gyrfalcon
The gyrfalcon is a medium-sized bird of prey with impressive flight speeds. According to available data, its top speed can reach approximately 389 kilometers per hour, making it one of the fastest birds in the world. However, gyrfalcons typically don't fly at their maximum speed, instead utilizing their agility and skillful flight techniques to track and capture prey in the air. Overall, the gyrfalcon is an exceptionally gifted flying animal, its powerful speed and remarkable flight abilities inspiring awe and admiration.

6. White-throated Needletail Swift
The White-throated Needletail is a large, widely distributed swift found in Asia, Australia, and Europe. This bird is renowned for its incredible flight speed, reportedly reaching speeds exceeding 170 kilometers per hour (105 miles per hour), making it one of the fastest birds in the world. Their astonishing speed allows them to easily outrun flying insects or other small birds in the air.

7. Eurasian Hobby
The Eurasian Hobby (Falco peregrinus) is one of the fastest flying birds in the world, with dive speeds exceeding 400 kilometers per hour! In level flight, its speed is approximately 80-100 kilometers per hour. Of course, the Eurasian Hobby's flight speed is also affected by environmental and climatic factors.

8. Red-breasted Merganser
The Common Merganser (scientific name: *Mergus serrator*) is a medium-sized waterbird with a slender body and long, pointed wings. They are adept divers and prey birds, primarily inhabiting freshwater lakes, rivers, and marshes. According to available data, the Common Merganser's flight speed is approximately 60-70 kilometers per hour. Of course, this speed is affected by various factors, such as wind speed and air pressure. However, overall, the Common Merganser's flight speed is considered relatively fast.

9. Grey-headed Albatross
The Grey-headed Albatross (scientific name: *Thalassarche chrysostoma*) is a large seabird that lives in the oceans of the Southern Hemisphere. They possess exceptional flying abilities, gliding over the sea for extended periods and surveying vast ocean areas. Scientific research indicates that Grey-headed Albatrosses average a flight speed of 50-60 kilometers per hour, but they can accelerate using air currents and sea breezes, reaching speeds exceeding 100 kilometers per hour. Furthermore, Grey-headed Albatrosses can fly continuously for years, utilizing wind and air currents to find food and water, completing extremely long distances in the process.

10. Australian Spotted Duck
The Australian Superciliosa (scientific name: *Anas superciliosa*) is a common waterfowl that inhabits lakes, rivers, and coastlines in Australia and New Zealand. They are excellent swimmers and divers, and also forage for food in flight. Records show that the Australian Superciliosa's average flight speed is approximately 50-65 kilometers per hour, with top speeds exceeding 80 kilometers per hour. However, this speed is affected by various factors such as temperature, air pressure, wind direction, and body weight. Overall, the Australian Superciliosa's flight speed is relatively fast, but not particularly high compared to other migratory birds.
Research Basis: The ranking of the world's top ten fastest flying birds is mainly based on a comprehensive compilation of relevant websites. The fastest flight speeds of relevant birds were searched through search engines and ranked accordingly. The ranking is for reference only. If you have any questions, please feel free to comment/criticize at the end.