The Blue-grey Tanager, Thraupis episcopus, is a medium-sized South American songbird of the Tanager family, Thraupidae. Its range is from Mexico south to northeast Bolivia and northern Brazil, all of the Amazon Basin, except the very south. It has been introduced to Lima(Peru). On Trinidad and Tobago, this bird is called Blue Jean.*
(*Wikipedia.org)
I thought the Tumblr could use a bird picture or two to spruce things up so I found this one on another Tumblr for you...