That's the Half Hog, the Sedge Hog has bunches of hair all down the back. Here's the selection I tied up for myself this year. These are the colours we find useful.
Half Hog Stack.jpg
You may also note that they don't have a front hackle. Rather a extra bunch of deer hair.
"Political correctness is a doctrine, fostered by a delusional, illogical
minority, and rabidly promoted by an unscrupulous mainstream media, which
holds forth the proposition that it is entirely possible to pick up a ****
by the clean end"