Note 285 — Chapter XIII · “THE YELLOWSTONE IDEA”
Reading edition
Extinct species include: great auk, Pallas’s cormorant, Labrador duck, Eskimo curlew, passenger pigeon, Carolina parakeet, yellow-winged green parrot, heath hen, whooping crane, upland plover. Other effective wild life conservation advocates were Dr. Theodore S. Palmer, Edward H. Forbush, T. Gilbert Pearson, John B. Burnham, and William T. Hornaday.