Effects of some physiological and pharmacological manipulations on shock- facilitated mouse killing by onychomys leucogaster (Northern grasshopper mouse)

Clark, Lincoln D.

doi:10.1002/1098-2337(1976)2:2<107::aid-ab2480020203>3.0.co;2-b

Cited by 11 publications

(4 citation statements)

References 27 publications

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“…A major objective of this study was t o evaluate contributions of the parental environment t o the development of aggressive and predatory behaviors in U/zychomys and Peromyscus. The extreme aggressiveness of Orzychomys males and females in encounters with other small rodents is well documented (Bailey & Sperry, 19:29;Clark, 1962;Cole & Wolfe, 1970;Egoscue, 1960;Gay & Clark, 1976;Homer, Taylor, & Padykula, 1964;Ruffer, 1964). (n contrast, Peromyscus males and females display considerably less overt aggression during inter-and intraspecific encounters (Baenninger, 1972(Baenninger, , 1973Rowley & Christian, 1976a,b;Vestal & Hellack, 1977).…”

Section: Discussionmentioning

confidence: 99%

“…Numerous field and laboratory reports have emphasized the naturally high levels of aggressive and predatory behaviors of grasshopper mice (Badey & Sperry, 1929;Clark, 1962;Cole & Wolfe, 1970;Cyr, 1972;Egoscue, 1960;Gay & Clark, 1976;Ruffer, 1964). In laboratory encounters with other small rodents, grasshopper mice vigorously pursue opponents, directing bites to the back, tail, and neck.…”

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confidence: 99%

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Parental environment: Effects on survival, growth and aggressive behaviors of 2 rodent species

McCarty

Southwick

1979

Developmental Psychobiology

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The influence of the parental environment on the development of aggressive behaviors was studied in 2 muroid rodent species. Litters of southern grasshopper mice and northern white-footed mice were reared by the natural parents or were reciprocally cross-fostered soon after birth to parents of the opposite species. After weaning at 24-26 days, mice of both species were isolated and observed at 10-day intervals from 30 to 100 days of age in one of the following tests: (1) predation on house crickets; (2) interspecific aggression toward Swiss-Webster laboratory mice; and (3) intraspecific aggression toward opponents of the same gender and approximate age. Naturally reared grasshopper mice males and females displayed extremely high levels of aggressive and predatory behaviors whereas white-footed mice controls were passive and defensive in all tests. Rearing by white-footed mice foster parents resulted in a significant decrease in the aggression of grasshopper mice males and females toward laboratory mice. During intraspecific encounters, fostered grasshopper mice initiated fewer social interactions than naturally reared controls. The predatory behavior of grasshopper mice was not altered by the fostering procedure. The behavioral measures of fostered white-footed mice showed n o systematic changes when compared to controls. These results indicate that the postnatal parental environment contributes to the naturally high levels of aggressive behaviors of grasshopper mice. In contrast, the limited aggressive behaviors of a naturally passive species, white-footed mice, were not increased by fostering at birth to parents of a highly aggressive species, grasshopper mice.

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%

Parental environment: Effects on survival, growth and aggressive behaviors of 2 rodent species

McCarty

Southwick

1979

Developmental Psychobiology

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“…Second, the mouse's attack upon lab mice appears less spontaneous than its attack upon insects. The percentage of grasshopper mice that attack a mouse in the lab ranges from 10% to 72%, depending on the test situation (Clark, 1962; Gay & Clark, 1976; McCarty & Southwick, 1980; Ruffer, 1968). In contrast, nearly 100% of the mice kill and eat a cricket when tested under a variety of situations (Baxter, 1979; Cyr, 1972; Horner et al, 1964; Langley, 1981b, 1984, 1986a; Langley & Knapp, 1982; McCarty & Southwick, 1980; Ruffer, 1968).…”

Section: Attacks Upon Small Vertebrate Versus Insect Preymentioning

confidence: 99%

“…However, they do not stop killing insects after similar periods in captivity. Northern grasshopper mice that have been bred in captivity for several generations attack and kill lab mice only after being induced (Gay & Clark, 1976), whereas mice of the same species bred in the lab for over 20 generations still immediately attack and kill crickets the first time without any inducement (Baxter, 1979).…”

Section: Attacks Upon Small Vertebrate Versus Insect Preymentioning

confidence: 99%

Specializations in the predatory behavior of grasshopper mice (Onychomys leucogaster and O. torridus): A comparison with the golden hamster (Mesocricetus auratus).

Langley¹

1987

Journal of Comparative Psychology

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The purpose of this study is to show that the grasshopper mouse's attack upon insects represents a specialized response that is well-suited for capturing nocturnally active arthropods, even ones with formidable defenses. Basically, a comparative approach is used. In the first part, the aspects of the biology and social behavior of the grasshopper mouse are compared with those of the omnivorous golden hamster to show that the former exhibits more specializations for a carnivorous life-style than the latter. Next, certain details of the motor, sensory, decision-making, and developmental processes of the attack upon insects are compared between grasshopper mice and hamsters. Grasshopper mice exhibit a more specialized method of seizing a moving prey, have a better suited sensory basis for tracking moving prey in the dark, and exhibit a more canalized decision-making and developmental process than hamsters. The significance of these differences to the mouse's carnivorous life-style are discussed. Finally, the grasshopper mouse's attack upon insects is compared with its attack upon lab mice to show that the former attack represents a different and more canalized response than the latter and that the attack upon insects plays a central role in the mouse's carnivorous life-style.

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Food deprivation: Effects on the predatory behavior of southern grasshopper mice (Onychomys torridus)

McCarty

Southwick

1981

Aggressive Behavior

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Effects of some physiological and pharmacological manipulations on shock- facilitated mouse killing by onychomys leucogaster (Northern grasshopper mouse)

Cited by 11 publications

References 27 publications

Parental environment: Effects on survival, growth and aggressive behaviors of 2 rodent species

Parental environment: Effects on survival, growth and aggressive behaviors of 2 rodent species

Specializations in the predatory behavior of grasshopper mice (Onychomys leucogaster and O. torridus): A comparison with the golden hamster (Mesocricetus auratus).

Food deprivation: Effects on the predatory behavior of southern grasshopper mice (Onychomys torridus)

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