Table 1 Presence/absence of tufts and eye coloration, morphometrics, population size and ratio (in relation to population size of less common species, Bubo bubo) in Europe, of the owls present in southern Iberia.
From: Owl-like plaques of the Copper Age and the involvement of children
Species | Ear tufts | Eye colour | Body mass (g) | Length (cm) | Population size Europe | Population ratio |
|---|---|---|---|---|---|---|
Strix aluco | No | All dark | 380–800 | 37–43 | 1,520,000 | 33.1 |
Asio otus | Long | Orange-black pupil | 250 | 31–37 | 788,000 | 17.2 |
Athene noctua | No | Yellow-black pupil | 170 | 23–27 | 1,560,000 | 33.9 |
Tyto alba | No | All dark | 430–620 | 33–39 | 239,000 | 5.2 |
Otus scops | Short | Yellow-black pupil | 92 | 19–21 | 566,000 | 12.3 |
Asio flammeus | Short | Yellow-black pupil | 200–450 | 33–40 | 215,000 | 4.6 |
Bubo bubo | Long | Orange-black pupil | 2700 | 59–73 | 45,900 | 1.0 |
