The Order Apodiformes is a group of birds that are famous for their incredible aerial agility and speed. While the term Apodiformes is commonly used to refer to these birds, there are various synonyms for this term that are also commonly used by zoologists and ornithologists. Some of these synonyms include the swifts, hummingbirds, and tree-swifts. These birds are known for their unique characteristics such as their small size, streamlined body shape, and ability to hover in the air. They are also known to have incredibly fast wing beats which enable them to fly great distances with ease. Overall, the Apodiformes are a fascinating order of birds that continue to capture the imagination of bird enthusiasts all over the world.