טוען...
The widespread declines of songbirds in rural Britain do not correlate with the spread of their avian predators
During the last 30 years, there have been marked declines in the populations of many British songbirds breeding on farmland, while two of their main predators, sparrowhawk (Accipiter nisus) and magpie (Pica pica), have spread back into areas from which they had disappeared. The causes of the songbir...
שמור ב:
| Main Authors: | , , , |
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| פורמט: | Artigo |
| שפה: | Inglês |
| יצא לאור: |
1998
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| נושאים: | |
| גישה מקוונת: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1689492/ https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1098/rspb.1998.0540 |
| תגים: |
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