Here’s a little factiod for you: while many fruits have evolved bright colours to attract birds (birds have excellent colour vision), mangoes are generally a dull greenish-red colour because they have evolved to be eaten (and therefore distributed) by fruit bats and other animals that rely more on smell than sight to find food. See? 3 years studying zoology wan’t a complete waste was it? According to my old ecology lecturer, we silly humans have spent the last 100+ years attempting to breed bright, colourful mangoes which appeal to the average human shopper.
There are mango trees (mangueiras) all over Rio. In fact here’s the view out of my window right now: