Food habits of some winter bird visitants
Furkejuvvon:
| Váldodahkki: | |
|---|---|
| Searvvušdahkki: | |
| Materiálatiipa: | Girji |
| Giella: | English |
| Almmustuhtton: |
Washington :
United States Department of Agriculture,
1924.
|
| Ráidu: | Department bulletin ;
no. 1249 |
| Fáddágilkorat: |
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| Organisašuvdna: | Library of the Academy of Sciences of the Czech Republic |
| All Items of this Institution: | all items available from Library of the Academy of Sciences of the Czech Republic |
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Food habits of the swallows, a family of valuable native birds Food habits of the swallows, a family of valuable native birds /