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
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
There are no animals that have feathers besides birds.
Yes. Kingfishers are birds, and all birds have feathers.
Pretty much all birds have feathers
No. Only birds have feathers. Kangaroos are mammals, not birds.