Eocypselus Rowei: Hummingbird Precursor Discovered
It is this type of discovery that makes me appreciate anew the marvels of evolution! Find a couple of dozen books on the evolution of birds with this simple subject search in OBIS: birds evolution. One of the most recent is accessible electronically, at either the OhioLINK Electronic Book Center or Springer books online. Connect through OBIS: Avian Ancestors.