They're all dirty.
Feathers
Many many birds have beautiful feathers but one of the most common beautiful birds is the peacock.
The question is rather vague. But all birds have feathers - even non-fliers such as an Ostrich.
Spiders and birds :D
The most common predators of spiders are: birds, wasps, frogs, and scorpions. Answerlizards, some domestic cats, varying kinds of humans, types of wasps, other spiders, birds, small animals
All birds have feathers and birds are the only animals that do!
As with other birds, the wing of a blue jay is covered in feathers.
Both some birds and most spiders eat insects and spiders.
wings, hollow bones, feathers, and no teeth
No. Only birds have feathers. Kangaroos are mammals, not birds.
Pretty much all birds have feathers
Yes. Kingfishers are birds, and all birds have feathers.