A WebmasterWorld thread named Another Weird Holiday Graphic: The Animal Trend Continues suggests that the Google logos have been a bit on the animalistic side recently. The thread creator asks;
Is Google intentionally avoiding more predictable holiday representations, or is it just doing a terrible job?
See for yourself, the 2006 logo:
Versus the 2005 logo:
Ask Jeeves, like last year went with the simple approach.
If you look over the past Google Holiday Logos, the past three have the animal theme. Thanksgiving, of course make sense. :)
Forum discussion at WebmasterWorld.