...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)」
...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」
...Nestling birds,either on the ground or in low trees, and young mice in nests that areaccessible, might tempt the rat to indulge in predation...
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」
...Wolf predation and ungulatepopulations...
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」
...(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」
...It is more difficult to explain how dentalabnormalities or pathological conditions of themandible (-) would predispose an individualto wolf predation...
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」
...The horned owlis perhaps the most important natural enemy of the opossum on theReservation, and instances of owl predation on opossums were noted...
Henry S. Fitch 「Ecology of the Opossum on a Natural Area in Northeastern Kansas」
...Of two species, the one producing the more young probablywould be subjected to more parasitism and predation than thespecies producing fewer young...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...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」
...The newly metamorphosed young often are forcedto remain at a pond's edge for many days, or even for weeks, bydrought and they must be subject to especially heavy predation byranid frogs...
Henry S. Fitch 「Field Study of Kansas Ant-Eating Frog」
...Bryanof Erie indicated that channel catfish, when disturbed in the earlystages of guarding the eggs, either eat the eggs and abandon thenest or leave the nest exposed to predation by other animals...
James Everett Deacon 「Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas」
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