Not all naturally occurring things can or should be interpreted as omens. This is most likely one of them. A ball of bound feathers is a common cat toy, your local kitty may have been playing on your doorstep and become distracted.
I can think of no Craft use fora ball of bound feathers.
it means somebody put black and white feathers on your doorstep
i dont know (mabe they just like your doorstep).
A pigs head on your doorstep is an ominous warning to the recipient. This means that somebody might want to hurt you.
They can find a mate with their feathers.
You can't. That is impossible. The only way to get feathers on Minecraft is from chickens.
He opened his door and there they were on his doorstep.
"Doorstep loans are loans that are repaid to a financial representative that collects by coming to your home each week. This is opposed to sending a payment to a financial institution. In order to apply for a doorstep loan, you must first find a financial institution that offers this highly specialized loan. Then, you fill out an application and wait for a representative to contact you with further information."
You can apply for a doorstep loan in any local loan office. It has been practiced for quite some time and you may even be able to find one in the phonebook.
Black feathers relate more the to soul than other colors of feathers. When you find black feathers, it means that the guardian of your soul is near. The feathers are there to remind you that you don't fight your battles of darkness in life alone. When you find a black feather, give thanks to your gurardian for being there to protect you always.
You can trade for them and find them in the Wilderness.
It means that somewhere in your vicinity a fowl with white feathers lurks.
It means that a bird with gray feathers has been in the area recently.