 "Bolsa Chica" means "little bag" in Spanish, as the area was part of a historic Mexican land grant named Rancho La Bolsa Chica.The Reserve is also called many other names, including Bolsa Chica Lowlands, Bolsa Chica Wetlands, and Bolsa Chica Wildlife Refuge.The Bolsa Chica Ecological Reserve boundaries are Warner Avenue to the north, Seapoint Avenue to the south, Pacific Coast Highway (PCH) to the west, and residential development to the east.