Magpies are common black and white birds that are very large. Depending on where you observed it, and your idea of large, the above may well be correct. A magpie is a bit larger than a crow, with a much longer tail. They are found in northern temperate climates. Other possibilities would be wood storks, ibis, loggerhead or northern shrikes, osprey and several others. That's in the US. Perhaps birders from elsewhere in the world will have something to add.
This bird is called a fieldfare.
a black bird
no it's black
black vulture
The black noddy is a bird, but no bird has ears, large or otherwise.
Raven
goose
the black bird Maroi name is called a Manu.
The name for a tropical black bird could be a "Raven," "Blackbird," or "Crows."
It is a large sea bird that is often white with black at the end of their wings.
Crow
parrot