• 1 Maps, Atlases
• 1 Photos, Drawings, Prints
• 1 Sound Recordings

• 1 Birds
• 1 Geographical distribution
• 1 Soil moisture
• 1 Soils

• 1 Cornell University. Laboratory of Ornithology
• 1 North Carolina Agricultural Research Service
• 1 Vepraskas, Michael J

• 2 English

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