Hello again everyone
So I went to the zoo yesterday, to check a few things.
@ AquaEyes - I haven't seen any oil palms in our park, even though I walked around for quite some time and visited all of it like I usually does, except this time I paid more attention to the vegetation.
Also I took this photos of a white male which had a bit of a similar thing, though I'm thinking this one just went dust bathing :




However no signs of the peahen. But a lot of whites were missing, I only saw one white hen with her white and IB chicks, and two males out of five. :/
But the park is huge, probably I wasn't in the right place at the right time. So I'll visit there again as soon as possible, and hopefully I can find her this time.
Since we are still unsure what could be the reason for the colouration of the peahen, I hope to take a few shots of her soon. >__>