This is what wikipedia says about blue spruce cones:
The cones are pendulous, slender cylindrical, 6-11 cm long and 2 cm broad when closed, opening to 4 cm broad. They have thin, flexible scales 20-24 mm long, with a wavy margin. They are reddish to violet, maturing pale brown 5–7 months after pollination. The seeds are black, 3-4 mm long, with a slender, 10-13 mm long pale brown wing.The pine cones are much thicker and hardier and when open look like little hedgehogs. Imagine my surprise, when I discovered something that looked like a little pineapple, but it was a pine cone. This is the first time since I moved to this house that I have seen this (10 years). To me they look like artichokes, after you have pulled the leaves off. So I guess the resident squirrel population thinks that these pine cones are a delicacy.
I am curious if others have noticed this also and would love to hear from you.