Ganso-pequeno Anser erythropus

Generally uncommon medium-sized goose. Dark chocolate brown with a white forehead and bubblegum-pink bill. Similar to Greater White-fronted Goose: Lesser is slightly smaller and shorter-necked with a rather small, stubby bill, a distinct but narrow yellow eyering, and a more extensive white forehead. Usually seen as singles or small groups among flocks of other geese. Breeds in scrubby tundra and winters in agricultural fields, saltmarshes, and drier areas adjacent to wetlands. Gives high squeaks, often while in flight.