This paper presents changes in the values of selected metric traits of domestic cat (Felis s. catus) taking place in three successive life stages: juvenile, subadult and adult. Study material consisted of 70 European domestic cat skulls being part of the museum collection of the Department of Animal Anatomy in Szczecin. The affiliation of respective skulls to age groups mentioned above was determined based on the degree of diaphyseal-epiphyseal fusion in shoulder and/or pelvic girdle long bones and comparison of these data with dental status. In total, 37 measurements were made on each skull. The carried out measurements showed large variation resulting from the rebuilding of particular skull segments as well as a change in proportions resulting from relations between the traits characterising their breadth and length. It was found that as many as 22 traits out of 37 ones examined showed significant changes (P ≤ 0.05 and P ≤ 0.01) with age.

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