These birds are recognized for their playful antics, such as perching on shoulders or heads, plus some actually have a mischievous streak – like playfully tugging at hair or knocking off hats. Agree with Jimi that the most appropriate antonym for "free of charge" is "available." But, "ordered" or https://paxtonjvfmw.shotblogs.com/the-basic-principles-of-free-parrots-for-adoption-50583091