Nonetheless, their intelligence also suggests they involve constant psychological stimulation. Leaving them bored or neglected can result in behavioral problems, like feather plucking. The noun sense of "ornamental festoon" is 1st discovered 1794. Colloquial perception of "promotional substance" (from recording businesses, and many others.) was in use by 2001; https://parrotsforadoptionnearme02468.targetblogs.com/37143248/how-much-you-need-to-expect-you-ll-pay-for-a-good-free-parrots-for-adoption-usa