Support SF Zoo by joining us at one of San Francisco’s most anticipated and unique events! Tickets are still available for ZooFest 2025: Silverback Soirée, our annual gala fundraising event. ZooFest 2025 takes place on Saturday, October 18, 2025. This year’s theme celebrates the arrival of our new male silverback, Cecil, who recently joined our troop of Western lowland gorillas at the Jones Family Gorilla Preserve. Your support is more important than ever. Get ready for a fun night benefiting a