Seeing as peanuts normally grow underground (and aren't really a nut) I really doubt a Woodpecker would normally feed on them.

Camera:	Nikon D2x
Date:	Friday, April 10th, 2009 at 1:11 PM
Exposure:	1/500 sec at f3.2
ISO:	320 asa
Lens:	80-200mm f/2.8D ED-IF AF-S Zoom-Nikkor at 200mm (equivalent field of view of a 300mm lens on a 35mm camera) With cropping (you see 56% of the image as shot), this lens is effectivly a 400mm lens on a 35mm camera
Scientific Name:	species related to Picoides pubescens (Downy Woodpecker)
Tag:	bird feeder
Larger image:	2000 x 1328
Raw image:	3216 x 2136