Table 1 Fourteen European cities focused on this study, values of bird species richness and the number of species in each different type of diet in the avian community, expressed as mean and standard deviation (SD).
City | Species richness (mean) | Species richness (SD) | Insectivorous sp. richness (mean) | Insectivorous sp. richness (SD) | Omnivorous sp. richness (mean) | Omnivorous sp. richness (SD) | Granivorous sp. richness (mean) | Granivorous sp. richness (SD) | Other type of diet sp. richness (mean) | Other type of diet sp. richness (SD) | Diet heterogeneity (mean) | Diet heterogeneity (SD) | N |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Athens | 9.938 | 3.783 | 3.278 | 1.807 | 2.856 | 1.451 | 2.825 | 1.155 | 0.979 | 0.946 | 1.165 | 0.201 | 100 |
Budapest | 3.680 | 1.786 | 0.420 | 0.606 | 2 | 1.189 | 0.820 | 0.796 | 0.440 | 0.519 | 0.724 | 0.399 | 100 |
Granada | 11.854 | 4.183 | 2.354 | 1.641 | 4.219 | 1.796 | 4.385 | 0.933 | 0.896 | 1 | 1.131 | 0.168 | 99 |
Groningen | 6.188 | 2.607 | 1.822 | 1.260 | 2.743 | 1.553 | 0.842 | 0.717 | 0.782 | 0.820 | 0.979 | 0.299 | 101 |
Ioannina | 5.929 | 3.179 | 1.535 | 1.296 | 2.434 | 1.611 | 1.485 | 0.952 | 0.475 | 0.560 | 0.966 | 0.336 | 100 |
Jyväskylä | 3.294 | 1.513 | 1.549 | 1.174 | 0.510 | 0.625 | 0.676 | 0.647 | 0.559 | 0.623 | 0.707 | 0.400 | 102 |
Madrid | 5.690 | 2.696 | 1.060 | 0.736 | 2.530 | 1.956 | 1.840 | 0.992 | 0.260 | 0.485 | 0.897 | 0.250 | 100 |
Pesaro | 6.944 | 2.688 | 1.648 | 1.067 | 2.315 | 1.612 | 2.481 | 0.863 | 0.500 | 0.607 | 1.065 | 0.205 | 56 |
Poitiers | 12.290 | 3.118 | 3.310 | 1.516 | 5.780 | 1.840 | 2.300 | 1 | 0.900 | 0.674 | 1.138 | 0.122 | 100 |
Poznan | 6.510 | 2.476 | 1.820 | 1.351 | 2.540 | 1.396 | 1.510 | 0.990 | 0.640 | 0.798 | 1.041 | 0.220 | 100 |
Prague | 7.813 | 3.265 | 2.286 | 1.491 | 3.348 | 1.691 | 1.205 | 0.892 | 0.973 | 0.729 | 1.092 | 0.234 | 120 |
Tartu | 7.261 | 2.570 | 2.203 | 1.520 | 2.101 | 1.152 | 1.754 | 0.946 | 1.203 | 1.037 | 1.139 | 0.234 | 69 |
Toledo | 7.379 | 3.067 | 1.653 | 1.244 | 2.516 | 1.501 | 2.905 | 1.203 | 0.305 | 0.637 | 0.995 | 0.247 | 100 |
Turku | 3.871 | 2.008 | 1.158 | 1.102 | 1.257 | 1.083 | 0.812 | 0.644 | 0.644 | 0.657 | 0.829 | 0.458 | 102 |
Total | 7.021 | 3.953 | 1.863 | 1.521 | 2.676 | 1.939 | 1.803 | 1.374 | 0.679 | 0.777 | 0.985 | 0.323 | 1349 |