The Flight of Swallows

This publication has 4 references indexed in Scilit:

• Wing-Flapping Rates of Birds
  The Auk, 1947
• The Tropical Avifauna of the Upper Magdalena Valley, Colombia
  The Auk, 1947
• Life histories of North American flycatchers, larks, swallows, and their allies. Order Passeriformes (Families Cotingidae, Tyrannidae, Alaudidae, and Hirundinidae)
  Bulletin of the United States National Museum, 1942
• Weights and Wing Areas in North American Birds
  The Auk, 1938