dcsimg
The future of BHL is uncertain, but hopeful. Learn more.
Sort By:
  1. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1942]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,1C(85)  Birds  Classification  Cyanerpes  Diglossa  Ochthoeca  Peru  South America
  2. By: Vuilleumier, François,
    Publication info: New York, N.Y American Museum of Natural History [1969]
    Holding Institution: American Museum of Natural History Library
    Subjects: Andes Region  Birds  Central America  Classification  Diglossa  Mexico  Speciation