Crazy Pileated Bills

Someone posted photos on MnBird of a female pileated woodpecker at the Minnesota Zoo. Check out her bill in this photo and this photo--it's crazy long! I wonder if it's a result of the bill not being worn down enough in captivity or if it's part of the larger bird bill deformity problem?

Here is a link to a photo I took of a female pileated--note how much shorter her bill is compare to the bird in the zoo.

Speaking of pileateds, here is a video I got of Mr. Neil's pileated eating cashew suet: