The moment in the post above — Doorway Obstruction Manager currently reviewing your entry request — is one of those small everyday scenes that says a lot about life with cats.
A window is a TV channel cats never get tired of watching. The flicker of a bird, the rustle of a leaf, the slow shadow of a passing person — all of it lights up the same predator circuits that wild cats use on the ground. The cat in the post above has probably been at it for hours and is just waiting for something good to happen.
The strange clicking or chattering sound cats make at birds through glass is called “chirping,” and researchers think it is an instinctive practice of the killing bite. Domestic cats know the bird is on the other side of an invisible wall, but the urge to rehearse the move is too strong to ignore.
Giving an indoor cat access to a window perch is one of the cheapest, easiest enrichment upgrades you can make. The view alone is often enough to keep them happily occupied between naps.
Source: www.reddit.com

