It has a broad white area on the nape and blue spots above and below the eyes which are only obvious in certain lights as in the second photo.

It is a great mimic and will copy the songs and calls of other birds as well as uttering its own grating call.

The nest of the White-naped Jay is a very minimalist affair and, according to Sick, there is a proverb in the north-east of Brazil which says, "Whoever finds the nest of the White-naped Jay gets rich". So there's a challenge!