laughing-goose

Century Dictionary and Cyclopedia

1. n. The whitefronted goose, Anser albifrons: so called from the conformation of the bill, which suggests the act of grinning or laughing. The American white-fronted goose is a different variety, A. gambeli, known in California as the speckle-belly.

Wiktionary

1. n. Attributive form of laughing goose