... Predators are known to include alligators, indigo snakes, king-snakes, largemouth bass, and blue herons; there are probably numerous others... 
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...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」
...Movements such as are associated with courting and mating, escaping severe weather, escaping from predators, and caring for young are seasonal or irregular in occurrence...
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」
...Paths or runways are used by cottontails escaping from predators in dense vegetation along fence lines, in thickets, or brush piles, or in snow that is eight or more inches deep...
Donald W. Janes 「Home Range and Movements of the Eastern Cottontail in Kansas」
...When escaping from predators cottontails moved 30 to 1200 feet and used 5 to 70 per cent of their home ranges, depending on the type of pursuit...
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」
...If food supplies became sealed overby ice, woodrats would have died by starvation or by falling an easyprey to predators...
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」
...The coyote andmountain lion are the only sizeable predators that remain...
Sydney Anderson 「Mammals of Mesa Verde National Park, Colorado」
...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」
...Selective predationcan be an important agent in the process ofnatural selection, and it influences the extentto which predators limit the numbers of theirprey...
L. David Mech 「Ecological Studies of the Timber Wolf in Northeastern Minnesota」
...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」
...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」
...Burrows, dens beneath rocks, and forms, were used asshelter from high and low temperatures as well as from predators...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...Few first-hand observations on predators of T...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...Four robbed nests were found at the Damm Farm; in each instance,striped skunks were thought to be the predators...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...Repellant odor may have a protective value inyoung box turtles but it is unlikely that larger predators would befrightened away or even discouraged by odor alone...
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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