Pishing gets you the birds...not to be mistaken with Phishing.

I've known for years that birders 'pish' to get songbirds to come out of bushes or even to fly toward you, but it has rarely worked for me in Canada. All it does is make you look silly for making pishing sounds. However, in trying to obtain thermal images of various finches here, we invariably have to find a way to call them in. A fine catch with this beautiful yellow warbler: