(Sula leucogaster)

Sonora, Mexico   December

Michaelmas Cay, QLD, Australia   August

Ventura Co., CA    July

Muriwai, New Zealand    December

Colima, Mexico   April

Islas Marietas, Nay., Mexico    December

La Paz, Mexico    February

BCS, Mexico    March

Trinidad and Tobago    December

Islas Marietas, Nayarit, Mexico    March

Santa Barbara Island-Channel Islands National Park, CA

San Diego Co., CA    May