![down](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
Please refer to the differences.]
The larger the down is considered to be a high-quality duvet, and the more air layer is produced, so the air heats up by your body temperature to keep you warm.
Goose is larger than duck duck duck duck duck duck, so the down is larger.
The smell is more difficult to feel goose than duck.
Goose down is also very attractive, but duck down is warm enough.