SEASONAL VARIATION IN THE FOOD OF THE PURPLE MARTIN PROGNE SUBIS IN KANSAS

This publication has 3 references indexed in Scilit:

• A Study of the Breeding Biology of the Purple Martin (Progne subis)
  The American Midland Naturalist, 1952
• 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
• THE SEQUENCE OF PLUMAGES AND MOULTS OF THE PASSERINE BIRDS OF NEW YORK
  Annals of the New York Academy of Sciences, 1900