Table 4. Matrix of mean values (with standard devistion in parentheses) of Bray-Curtis index of similarity (expresed as percentage) of helminth infracommunity composition between 5 owl species from the Calabria region, southern Italy.
| Athene noctua | Strix aluco | Otus scops | Asio otus | |
| Strix aluco | 49.1 | |||
| (19.6) | ||||
| Otus scops | 41.3 | 34.3 | ||
| (16.5) | (12.8) | |||
| Asio otus | 37.0 | 34.6 | 33.6 | |
| (7.8) | (8.8) | (7.7) | ||
| Tyto alba | 51.5 | 44.0 | 42.6 | 47.9 |
| (21.8) | (17.3) | (17.3) | (15.5) |