Jen Greenberg on Instagram: "Did you know that parrots purr? 😻 Just like cats, many parrots can emit a purring sound when they are happy or content. In smaller birds, it may sound more like a soft trill. In larger birds, like Poncho, it sounds very similar to a cat purr. Parrots can also growl. This is an aggressive sound, a warning to keep away or stop doing whatever is being done. Larger species have a low, guttural growl while smaller species have a higher version. Growling is often accompan