Take this bird quiz and test what you know about the feathered world, from the fastest, smallest and loudest birds to record migrations, dives and clever crows.
What is the smallest living bird species on Earth? Choices: Goldcrest, Bee hummingbird, House sparrow, Blue tit
What is the fastest running bird on land, able to sprint at over 70 km/h (43 mph)? Choices: Emu, Roadrunner, Ostrich, Rhea
Which bird is famous for laying its eggs in other birds' nests so that foster parents raise its chicks? Choices: Cuckoo, Magpie, Robin, Woodpecker
What is a huge, swirling flock of thousands of starlings moving together in shifting patterns called? Choices: A parliament, A gaggle, A colony, A murmuration
Which bird of prey can dive at over 320 km/h (200 mph), making it the fastest animal on Earth? Choices: Bald eagle, Peregrine falcon, Red kite, Barn owl
What is the regular process called when a bird sheds its old, worn feathers and grows a fresh set? Choices: Molting, Preening, Fledging, Brooding
Which bird has the largest wingspan of any living bird, reaching over 3.4 m (11 feet)? Choices: Andean condor, Great white pelican, Golden eagle, Wandering albatross
Which family of birds is known to use tools, solve multi-step puzzles and recognize individual human faces? Choices: Pigeons, Ducks, Crows and ravens, Flamingos
Which bird is the only one able to keep flying backwards? Choices: Kingfisher, Swallow, Kestrel, Hummingbird
What is the main reason many flocking birds fly in a "V" formation? Choices: To see predators better, To save energy, To stay warm, To find food faster
Which bird is often called the most dangerous in the world because of its dagger-like inner claws, up to 12 cm (5 in) long? Choices: Cassowary, Ostrich, Harpy eagle, Secretary bird
What is the special vocal organ called that lets songbirds sing complex notes? Choices: Larynx, Crop, Syrinx, Gizzard
Which bird makes the longest yearly migration of any animal, flying from the Arctic to the Antarctic and back? Choices: Arctic tern, White stork, Barn swallow, Snow goose
Which bird has the longest bill compared to its body size, with a beak longer than the rest of its body? Choices: Toucan, Sword-billed hummingbird, Pelican, Curlew
What is the deepest-diving bird, able to reach more than 500 m (1,640 feet) below the ocean surface? Choices: Atlantic puffin, Great cormorant, Common loon, Emperor penguin
What is the loudest bird in the world, with a mating call that reaches about 125 decibels? Choices: Kookaburra, White bellbird, Peacock, Common raven
Which of these is the heaviest bird able to fly? Choices: Bald eagle, Andean condor, Kori bustard, Snowy owl
Which bird can stay in the air for up to 10 months in a row without ever landing? Choices: Common swift, Seagull, Barn owl, Pigeon