...45 and 46); predators, disease, and weather take their toll of the young... 
Donald W. Janes 「Home Range and Movements of the Eastern Cottontail in Kansas」
...In seeking protection from predators or from the weather, cottontails move farther in winter than in summer...
Donald W. Janes 「Home Range and Movements of the Eastern Cottontail in Kansas」
...Movements made by cottontails escaping from predators differ from movements made while foraging...
Donald W. Janes 「Home Range and Movements of the Eastern Cottontail in Kansas」
...Charles Schweder has never known a Caribou tokill one of these predators in defending itself...
Francis Harper 「The Barren Ground Caribou of Keewatin」
...At least two nests on the Lavallette Marsh were destroyed by predators in the course of the breeding season of 1955...
Glen E. Woolfenden 「Comparative Breeding Behavior of Ammospiza caudacuta and A. maritima」
...The success of gray foxes as predators in thechaparral is probably due in large measure to their agility amiddense cover...
Terry A. Vaughan 「Mammals of the San Gabriel Mountains of California」
...The snakes which were potential predators on the rats seemed to bemerely utilizing the shelter in these instances, but they may have beenlying in wait for prey there...
Henry S. Fitch 「Ecological Observations on the Woodrat, Neotoma floridana」
...Deterioration of thehabitat, as the developing forest shaded out undergrowth, and inroads ofcertain predators may have been important in preventing recovery of thepopulation...
Henry S. Fitch 「Ecological Observations on the Woodrat, Neotoma floridana」
...However, two such nests in cedars, that werechecked repeatedly, were eventually destroyed by predators...
Henry S. Fitch 「The Forest Habitat of the University of Kansas Natural History Reservation」
...The woodrat lived in several plum thickets that provided the type ofshelter from predators that it requires...
Henry S. Fitch 「The Forest Habitat of the University of Kansas Natural History Reservation」
...One of the predators most commonly chosenfor investigating the selective effect upon prey isthe wolf (Canis lupus)...
L. David Mech 「Ecological Studies of the Timber Wolf in Northeastern Minnesota」
...Carcasses of opossumswhich had fallen victim to predators were found on a fewoccasions and in some instances clues as to the identity of the predatorwere obtained...
Henry S. Fitch 「Ecology of the Opossum on a Natural Area in Northeastern Kansas」
...Live-traps for mice, in lines or grids of 100 or more, often were seton the Reservation, and predators, including opossums, disturbedthem on many occasions...
Henry S. Fitch 「Ecology of the Opossum on a Natural Area in Northeastern Kansas」
...Anderson (1961:58)believed that bobcats and gray foxes were the most abundant predators in thepark...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...Bothhawks and owls probably prey upon Peromyscus in Mesa Verde, for they arewell-known predators upon mice and small rodents in other areas...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...Finally, trees mayoffer safety from predators, and a source of food that probably isthe winter staple of this species...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...The avoidance of interspecific competition in feeding is well illustrated by three species of snakes that probably are the primary ophidian predators on frogs...
William E. Duellman 「Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala」
...By remaininghidden in a burrow or den therefore, box turtles are fairlywell protected from predators but are at a thermal disadvantage...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...Causes of amputationare discussed in the section on predators...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...The stream bedhabitat and the appearance of the tooth punctures tended to incriminateraccoons as predators...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...Although the musk is probablydistasteful to predators, repellent odor alone seems to be ofdoubtful value as a defense mechanism...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
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