Famously there is a kakapō named Sirocco who imprinted on humans to the point of being sexually attracted to them rather than to other kakapō. Which is both a problem because with only 244 individuals left, the species needs as many mating pairs as it can get; and a blessing because his international fame and fondness for humans makes him an effective "spokesbird" for conservation.

Here he is mounting and having a go at Mark Carwardine: https://www.youtube.com/watch?v=9T1vfsHYiKY

"You are being shagged by a rare parrot!"