Oh goodie.
You dumb shits do not deserve making cameos like that (no disrespect to Kusano, obviously — she's only a victim of her scriptwriter).
UPDATE: Matthew sagematt@#animeblogger says that it's not a penguin, but a wagtail (aka 鶺鴒【せきれい】 or трясогузка). Get it? A clever pun on the Sekirei, if so. But I'm not sure I agree, the tail wasn't wagging all that much, and the color scheme seems a bit off.
MORE: Aroduc produced a picture of the Japanese version:
But this is what I had in mind:
Who knew that Japanese sekireis were so... uniformly painted.