Monday Mystery: What's it gonna be?

I messed around with my new garment-rack-turned-drying-rack this weekend and did, indeed, manage to make it into a doubledecker.

So of course I had to fill that second layer of pins with prints! Here's the first step of a new linocut. Care to guess what it might be? I think seabird aficionados will probably be able to sort it out already, but maybe not.