As with Greater White-fronted Geese, Snow Geese can be found in the thousands at the Sacramento Wildlife Refuge as they migrate. They are similar to Ross's Geese but they are larger and the bill is different.

Both sexes are similar with the male slightly larger. Snow Geese are vegetarians. They eat aquatic plants, grasses, and grain. A beautiful sight at the Sacramento Wildlife Refuge is the Snow Geese taking off at sunset to feed on the remnants in rice fields.