California sea lions are famous for their loud, barking calls, which they use to communicate on crowded beaches and in rookeries along the Pacific coast. This short clip, credited to the Marine Mammal Center, captures that signature honk in isolation, making it easy to reuse as a clean animal sound effect. Online, creators reach for it whenever they need an instantly recognizable sea lion noise without background waves or crowd chatter, whether for educational clips about marine life, zoo visits, or lighthearted animal memes.