The shield in the coat of arms is divided into thirds: red, black and green for the three kingdoms of nature (animal, mineral and vegetable) in Linnaean classification; in the centre is an egg "to denote Nature, which is continued and perpetuated in ovo."
O escudo de armas divídese en terzos: vermello, negro e verde polos tres reinos da natureza (animal, mineral e vexetal) na clasificación de Linné, no centro hai un ovo "para denotar a Natureza, que é continuada e perpetuada in ovo".