- The Porcelain d'Uccle originates in Belgium. They have beards, feathered legs, and their plumage is a beautiful blueish-white that almost seems iridescent and all feathers are tipped in white. They have good temperaments and friendly dispositions. APPROX. 100 SMALL EGGS/YEAR | EGG COLOR: BROWN | MATURE WT: MALE 1 LB. FEMALE 1 LB.