As aeshna5 says the first photo is of a Chinese Goose which is the domesticated form of the Swan Goose Anser cygnoides which is a now rare species migrating from its breeding range in Mongolia, Northern China and South-eastern Russia to its wintering grounds Central and Eastern China.
The second photo does indeed look like a Black Swan Cygnus atratus that’s had a server fright

or more likely is an albino.
Ferret