there’s the burrowing owl. Their hissing sound is similar to that of a rattlesnake’s. This comes in handy when they need to defend their low-to-the-ground territory. Burrowing owls frequently roost in ...

Audubon.org says barn owls make hissing notes, “screams,” guttural grunts, and grackle-like clicks. Click here to hear a barn owl scream.