after much looking myself for this same answer, I have come to the best conclusion that it is some form of scissor tailed flycatcher, I too saw this bird and was intrigued by the long v shaped tail, such a lovely bird, evidently they mate here in summer
The small white bird with a black head is called a Pied Wagtail.
The small bird with a white and black head is called a pied wagtail.
The small brown bird with a white stripe on its head is called a White-crowned Sparrow.
The small bird with a black head and white body is called a pied wagtail.
The small grey bird with a black and white striped head is called a chickadee.
Blue bird
The bird with a red head, white neck, and black body is a red-headed woodpecker.
Larry Bird.
The bird you are referring to is called a Magpie.
Bill White is the Mayor of Houston, Texas.
African Grey
robbin