brian holly: it definitely is.hey are an indicator of a failing ecosystem as their population diminishes. johnny devenanzio: if i was an owl, i guess i know why they're living up here. johnny devenanzio (voiceover): but to pinpoint their precise location requires a bird's eye view. the drone can go in and take really in-depth aerial imagery, but also prime habitat. johnny devenanzio: this is absolutely breathtaking, man. brian holly: what you're looking at in this section is actually 500 different images stitched together to create this really in-depth aerial imagery. johnny devenanzio (voiceover): and with the help of this imagery, we embark on our search for the elusive california spotted owl. many people may have heard of cesar millan, the dog whisperer. well, tonight, we have richard, the owl whisperer. [owl calls] do you see anything, johnny? i see a bunch of pine needles. how many more trees do you think we have in this forest to look at? i think several thousand. johnny devenanzio: how do you call an owl? it