...Klauber (1956:1058;1079) cited predation on cottonmouths by a blue heron (Ardea herodias) and a largemouth bass (Micropterus salmoides)... 
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...They are more sluggish at this time and more vulnerable to predation than later in the season when temperatures are optimal...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...The effects of predation upon animal populationsare complex, and predation is often a by-product of population ratherthan a controlling factor...
Dwight Platt 「Food of the Crow, Corvus brachyrhynchos Brehm, in South-central Kansas」
...The lack of a seed-producingunderstory, and the open duff-covered stretches of ground onwhich rodents would be extremely vulnerable to predation, probablyin part account for the scarcity of rodents...
Terry A. Vaughan 「Mammals of the San Gabriel Mountains of California」
...By contrasting thepresent food habits of coyotes on the desert and coastal slopes ofthe mountains support is afforded for Errington's (1937:243) statementthat predation is "a by-product of population...
Terry A. Vaughan 「Mammals of the San Gabriel Mountains of California」
...Young in the nest would seem to beespecially susceptible to predation by the pilot black snake...
Henry S. Fitch 「Ecological Observations on the Woodrat, Neotoma floridana」
...Few actual records of predation on woodratswere obtained because of their scarcity during most of the periodcovered by our study...
Henry S. Fitch 「Ecological Observations on the Woodrat, Neotoma floridana」
...Wolf predation on winteringdeer in east-central Ontario...
Thomas F. Weise 「An Experimental Translocation of the Eastern Timber Wolf」
...In addition to known predation by mountain lions and coyoteson porcupines, the bobcat kills porcupines...
Sydney Anderson 「Mammals of Mesa Verde National Park, Colorado」
...The selective effect of predation on prey populationsis of significance in studies of evolutionand population dynamics...
L. David Mech 「Ecological Studies of the Timber Wolf in Northeastern Minnesota」
...(1969), based on a study of331 kills, that wolf predation on deer duringwinter shows a definite selection for older animals...
L. David Mech 「Ecological Studies of the Timber Wolf in Northeastern Minnesota」
...One possible explanationfor this is that females may normally beless vulnerable to wolf predation, for Kelsall(1969) has shown that they probably have alighter weight-load-on-track than males...
L. David Mech 「Ecological Studies of the Timber Wolf in Northeastern Minnesota」
...Or theabnormal condition itself may have caused afurther, more critical, disruption of the animal'sphysiology or behavior, which in turn predisposedit to wolf predation...
L. David Mech 「Ecological Studies of the Timber Wolf in Northeastern Minnesota」
...Adult cottontailsseem to be secure from opossum predation under ordinary circumstances...
Henry S. Fitch 「Ecology of the Opossum on a Natural Area in Northeastern Kansas」
...Various mortalityfactors including predation, disease, and accidents accountfor some 70 per cent...
Henry S. Fitch 「Ecology of the Opossum on a Natural Area in Northeastern Kansas」
...Because of the opossum'snocturnal habits it is rarely exposed to hawk predation...
Henry S. Fitch 「Ecology of the Opossum on a Natural Area in Northeastern Kansas」
...Numerousinstances of horned owl predation on opossums have been recordedin the literature...
Henry S. Fitch 「Ecology of the Opossum on a Natural Area in Northeastern Kansas」
...Turtles moving about sporadically in late autumn maybe quickly chilled by a sudden drop in temperature and thereforebe more susceptible to predation than at other times of the year...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...Although small box turtles may occasionally be caught andkilled by adults in nature, this seems not to constitute a majorsource of predation on the young...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...Capacity to recover after serious injuryis great but there is increased chance for secondary injury, infection,and predation in the period of recovery...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
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