Thanks again Andrew
Not bird 13 - that will perhaps be tonight ... but to make a change from these tricky pics, here's a thing of beauty ...
http://avengerpenguins.com/gallery2/main.php?g2_itemId=36844
Alex assures me that this is a Plush Crested Jay, I reckon from NW Argentina, by the date.
Nice picture and yes, it's a Plush-crested Jay.