What animals have feathers but are not birds?
There are no animals that have feathers besides birds.
The only animals living today which have feathers are birds. All birds are in the taxonomic class Aves. In many cases, feathers give birds the ability of flight. Others, such as the ostrich, cannot fly. For all birds, feathers can serve as insulation. Some species, including the peacock and bowerbird, have males with very elaborate feathers which they display during mating rituals. Fossil evidence indicates that some species of carnivorous dinosaurs had primative feathers. This…
No, the biggest difference between birds and other animals is that birds have feathers. Every bird has feathers and everything that has feathers is a bird. A Whistling Swan, in winter has the most with about 20,000 individual feathers. And the fewest feathers? That distinction goes to the Ruby-throated Hummingbird with about 940.