灰狼的学名是Canis lupus canadensis，表明它是加拿大本土物种。

The gray wolf's scientific name is Canis lupus ___canadensis, indicating it is native to Canada.

枫糖浆通常来自糖枫树（学名：Acer saccharum）。

Maple syrup often comes from the ___Acer saccharum sugar maple tree.