Diet of nestling Barn Swallows Hirundo rustica in rural areas of Poland
oleh: Orłowski Grzegorz, Karg Jerzy
| Format: | Article |
|---|---|
| Diterbitkan: | De Gruyter 2011-12-01 |
Deskripsi
Subjek
aerial-feedings birds; airborne insects; bird diet; diet composition; insect biomass; prey selection; farmland