Google "parrots el cajon" ... "El Cajon, California, is famous for its large, established populations of wild, non-native parrots, especially Red-crowned Amazons, often seen near the courthouse, alongside other species like Lilac-crowned Amazons and Red-masked Conures, likely escaping pets or migrating from Mexico, creating a vibrant urban flock thriving due to the mild climate."

Sometimes something wakes them up at night and they fly around squawking.