You learn something every day from the Web

Wikipedia tells me that this non-whale downtime page is depicting the larva of a Geometer moth. Perhaps, based on its companion who is speaking, it is a Dwarf Cream Wave, which sounds delicious?

Incidentally, with regard to the caption of this picture on that first Wikipedia page, I feel obliged to point out that Caterpillar Locomotion would be an excellent band name.