By Donald W. Stokes, Lillian Q. Stokes
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Extra info for A Guide to Bird Behavior, Volume II: In the Wild and at Your Feeder (Stokes Nature Guides)
29 There are no known fossils of grizzly bears in the contiguous United States before thirteen thousand years ago. 30 The grizzlies moved in to take over the ecological niche left open by the demise of the short-faced bear, which was about twice the weight of a modern grizzly. A bear of such dimensions would have been a formidable adversary when met on the open prairie with the limited firepower possessed by Lewis and Clark. Indeed, such encounters would likely have an outcome much less favorable than that described by Lewis on May 5, 1805: Capt.
13. See Daniel H. Janzen and Paul S. ” 14 The Natural World of Lewis and Clark Fig. 4. Lewis sitting in a garden in St. Louis preparing a letter to Jefferson in which he describes the samples of Osage orange that he was sending. ” From Jackson, Letters of the Lewis and Clark Expedition, 170. html). Early in their journeys, Lewis and Clark ran across one such plant that appears to have lost its dispersers when the megafauna were wiped out. While still camped at Camp Dubois near St. Louis, Lewis observed Osage orange (Maclura pomifera) blooming and sent cuttings and seeds back to Jefferson (fig.
11. The distribution of several species of Calochortus showing the restricted geographical distribution that is typical for species in this genus. From Ownbey, “Monography of Calochortus,” 384. Copyright1940 Missouri Botanical Garden.
A Guide to Bird Behavior, Volume II: In the Wild and at Your Feeder (Stokes Nature Guides) by Donald W. Stokes, Lillian Q. Stokes