. Control of field rodents in California. Rodents; Mammals. 14 California Agricultural Extension Circular 138 ing heads. After harvest they may eat and carry off quantities of grain from shocks and stacks. On pasture lands they may take a good deal of grass and herbage that could otherwise be used by domestic stock. On open range, 200 California ground squirrels can eat as much green forage as 1 steer or 10 sheep. Both on isolated ranches and in well-developed areas, they often seriously deplete grain, nut, and fruit crops. Estivation and Hibernation. All California ground squirrels living at
. Control of field rodents in California. Rodents; Mammals. 14 California Agricultural Extension Circular 138 ing heads. After harvest they may eat and carry off quantities of grain from shocks and stacks. On pasture lands they may take a good deal of grass and herbage that could otherwise be used by domestic stock. On open range, 200 California ground squirrels can eat as much green forage as 1 steer or 10 sheep. Both on isolated ranches and in well-developed areas, they often seriously deplete grain, nut, and fruit crops. Estivation and Hibernation. All California ground squirrels living at high altitudes and some of the population, probably adults, at lower elevations hole up for a part of each year. Before this period of inactivity, the animals acquire a surplus of fat. After going below ground the squirrel plugs part of. -. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Storer, Tracy I. (Tracy Irwin), 1889-1973. Berkeley, Calif. : College of Agriculture, University of California
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Keywords: ., bookauthorstorertracyitracy, bookcentury1900, booksubjectmammals
