Jan van Kessel specialized in small-scale pictures of subjects gleaned from the natural world such as floral still lifes and allegorical series showing animal kingdoms, the four elements, the senses, or the parts of the world. 

Jan van Kessel specialized in small-scale pictures of subjects gleaned from the natural world such as floral still lifes and allegorical series showing animal kingdoms, the four elements, the senses, or the parts of the world. Obsessed with picturesque detail, van Kessel worked from nature and used illustrated scientific texts as sources for filling his pictures with objects represented with almost scientific accuracy.