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Articles 31 - 47 of 47
Full-Text Articles in Psychology
Social Ecology And Behavior Of Coyotes, Marc Bekoff, Michael C. Wells
Social Ecology And Behavior Of Coyotes, Marc Bekoff, Michael C. Wells
Ethology Collection
Behavioral patterns are subject to natural selection and behavior like any other attributes of an animal, which contributes to individual survival. The chapter summarizes a long-term study of coyotes that was conducted in the Grand Teton National Park, in the northwest comer of Wyoming. There is remarkable agreement in the results stemming from a limited number of field projects concerned with the social behavior and behavioral ecology of coyotes, and some general principles concerning social ecology, scent marking, predatory behavior, time budgeting, and reproductive and care-giving patterns can be developed that are applicable not only to coyotes but to many …
Life History Patterns And The Comparative Social Ecology Of Carnivores, Marc Bekoff, Thomas J. Daniels, John L. Gittleman
Life History Patterns And The Comparative Social Ecology Of Carnivores, Marc Bekoff, Thomas J. Daniels, John L. Gittleman
Ethology Collection
No abstract provided.
Social Play Behavior, Marc Bekoff
Social Play Behavior, Marc Bekoff
Ethology Collection
Recent studies clearly indicate that animal play is an important behavioral phenotype, and that detailed analyses of the phenomenon are useful for furthering our understanding of the evolution of social behavior and the interaction of phylogeny, ecology, and behavioral development. This article is concerned mainly with evolutionary, ecological, and developmental aspects of social play behavior in mammals.
The Effects Of Ethostasis On Farm Animal Behavior: A Theoretical Overview, A. F. Fraser, M. W. Fox
The Effects Of Ethostasis On Farm Animal Behavior: A Theoretical Overview, A. F. Fraser, M. W. Fox
Ethology Collection
The solution of animal problems that occur on the farm requires a holistic and multidisciplinary orientation and analysis, as well as the acquisition of new investigatory tools by both veterinarians and animal scientists. Field studies may be modeled under more controlled laboratory conditions, but the most relevant investigations must take place on the farm, and the first level of analysis should be ethological. Domestic animal behavior can be monitored and quantified like any other factor in the animals' environment; yet it has been virtually ignored in the development of new livestock husbandry systems.
The relationships between husbandry systems, disease problems, …
Predation By Wild Coyotes: Behavioral And Ecological Analyses, Michael C. Wells, Marc Bekoff
Predation By Wild Coyotes: Behavioral And Ecological Analyses, Michael C. Wells, Marc Bekoff
Ethology Collection
Predatory behavior of coyotes (Canis latrans) was studied between 1977 and 1980 in the Grand Teton National Park, Jackson, Wyoming. Major prey were voles (Microtus spp.), Uinta ground squirrels (Spermophilus armatus), pocket gophers (Thomomys talpoides), and grasshoppers (Locustidae). Coyotes typically rushed and ran down squirrels; when hunting mice, coyotes pounced and stabbed at them with their forepaws. Sequence structure was similar, though sequences directed to squirrels were significantly more variable. When juvenile coyotes hunted mice, sequences were similar to those performed by adults that hunted mice. Adults and juveniles were about equally successful. The size of prey last eaten influenced …
Behavioral Ecology Of Coyotes: Social Organization, Rearing Patterns, Space Use, And Resource Defense, Marc Bekoff, Michael C. Wells
Behavioral Ecology Of Coyotes: Social Organization, Rearing Patterns, Space Use, And Resource Defense, Marc Bekoff, Michael C. Wells
Ethology Collection
Two groups of coyotes in which genealogical relationships were known were studied in the Grand Teton National Park, outside of Jackson, Wyoming, U.S.A., from 1977-1982. One group, a pack consisting of parents and some non-dispersing and non-breeding offspring, defended a territory and the food (mainly elk carrion) contained within it, especially during winter, and also had helpers at den sites (5 of 6 were males). The other group, a mated resident pair, all of whose young dispersed during the first year of life, did not defend a territory and never had helpers at dens. Delayed dispersal and retention of some …
Social, Spacing, And Cooperative Behavior Of The Collared Peccary, Tayassu Tajacu, John A. Byers, Marc Bekoff
Social, Spacing, And Cooperative Behavior Of The Collared Peccary, Tayassu Tajacu, John A. Byers, Marc Bekoff
Ethology Collection
Social behavior of the collared peccary was studied on the lower, eastern slopes of the Mazatzal Mountains, Arizona. The social unit in this species is a cohesive herd, in which small inter-individual distances are maintained. Two conspicuous acts, one olfactory and one auditory, functioned to maintain close spacing. Social interactions were brief but tended to synchronize the activities of animals and also to bring them closer together. Amicable and neutral actions occurred far more frequently than agonistic interactions. Most agonistic behavior did not involve physical contact. Cooperative nursing, predator defense, and feeding occurred; all adults were tolerant of young, and …
Behavioural Budgeting By Wild Coyotes: The Influence Of Food Resources And Social Organization, Marc Bekoff, Michael C. Wells
Behavioural Budgeting By Wild Coyotes: The Influence Of Food Resources And Social Organization, Marc Bekoff, Michael C. Wells
Ethology Collection
Daytime behavioural budgets of coyotes (Canis latrans) living in the Grand Teton National Park Jackson, Wyoming, were analysed in order to determine how activity patterns ' ere influenced by food resources and social organization. In winter coyotes rested more-and hunted less than in other seasons. Pack-living coyotes rested more and travelled less than resident pairs or solitary resident or transients during winter months when the major food resource was ungulate (predominantly elk, Cervus canadensis) carrion. A mated female living in a pack rested significantly more and travelled significantly less than a mated female living only with her mate (as a …
An Observational Study Of Coyote (Canis Latrans) Scent-Marking And Territoriality In Yellowstone National Park, Joseph J. Allen, Marc Bekoff, Robert L. Crabtree
An Observational Study Of Coyote (Canis Latrans) Scent-Marking And Territoriality In Yellowstone National Park, Joseph J. Allen, Marc Bekoff, Robert L. Crabtree
Ethology Collection
Free-ranging coyotes (Canis latrans) living in neighboring packs were observed in the Lamar Valley of Yellowstone National Park, Wyoming, from Jan. to May 1997. Through direct observation, we recorded the location of coyote scent marks and information regarding the identity of the marking animal. Patterns of scent-marking were then analyzed spatially and demographically. All of the evidence from the present study supports a strong relationship between scent-marking and territoriality in these coyotes, and all predictions were met. A preponderance of scent marks was found in the periphery of territories. Most of those marks were raised-leg urinations (RLUs) and forward-lean urinations …
An Observational Study Of Scent-Marking In Coyotes, Canis Latrans, Michael C. Wells, Marc Bekoff
An Observational Study Of Scent-Marking In Coyotes, Canis Latrans, Michael C. Wells, Marc Bekoff
Ethology Collection
Urination and defaecation patterns of free-ranging coyotes (Canis latrans) were studied in the Grand Teton National Park, Jackson, Wyoming, for two years. The vast majority of urinations by adult males and females were involved in 'marking,' and differentiating between 'marking' and 'elimination' may not be necessary. Our results may be summarized as follows: 1) Raised-leg urinations (RLU) performed by males were most frequently used in marking. (2) Females marked throughout the year using the squat (SQU) posture. (3) Snow tracking and reading snow sign resulted in a gross underestimate of the relative frequency of SQU's and a large overestimate in …
The Buller-Steer Syndrome, Richard Ulbrich
The Buller-Steer Syndrome, Richard Ulbrich
Ethology Collection
Bulling among steers is an abnormal behavioral trait and is a common health and economic problem in feedlot operations. Factors associated with the buller-steer syndrome are hormonal implantation, seasonality and environmental conditions, stress, overcrowding, and social interaction between individuals. Research has examined relationships between these and other factors and buller occurrence. Boredom of feedlot cattle may contribute to buller occurrence and other undesirable behavior more than we might suspect. Research is needed to determine the feasibility of enriching the environment of penned livestock in general, the goal of which would be, in theory, the elimination of undesirable behavior as well …
The Ontogeny And Organization Of Comfort Behavior In Adelie Penguins, Marc Bekoff, David G. Ainley, Anne Bekoff
The Ontogeny And Organization Of Comfort Behavior In Adelie Penguins, Marc Bekoff, David G. Ainley, Anne Bekoff
Ethology Collection
No abstract provided.
Quantitative Analyses Of The Ontogeny Of Predatory Behaviour In Coyotes, Canis Latrans, Louis E. Vincent, Marc Bekoff
Quantitative Analyses Of The Ontogeny Of Predatory Behaviour In Coyotes, Canis Latrans, Louis E. Vincent, Marc Bekoff
Ethology Collection
Four infant coyotes (Canis latrans) were studied in order to describe quantitatively the development of predatory behaviour. Our results indicated that prior play and agonistic experience had virtually no effect on later predatory success. Also, there was no relationship between an individual's social rank and its prey-killing ability. Latency to kill was shortened when animals were tested in, pair and hunger level was not related to latency to kill. The results are discussed with respect to current 'functionalist' theories of play behaviour and Leyhausen's concept of the relative hierarchy of moods. The practice theory of play should be reconsidered in …
Social Communication In Canids: Evidence For The Evolution Of A Stereotyped Mammalian Display, Marc Bekoff
Social Communication In Canids: Evidence For The Evolution Of A Stereotyped Mammalian Display, Marc Bekoff
Ethology Collection
The variability in the duration and form of the canid play bow was studied in infant coyotes, wolves, wolf-dog hybrids, beagles, and adult free-ranging dogs. Both duration and form showed marked stereotypy. It appears that the role of this context-specific social signal in the communication of play intention has been fostered by selection for "morphological" stereotypy.
Social Play In Coyotes, Wolves, And Dogs, Marc Bekoff
Social Play In Coyotes, Wolves, And Dogs, Marc Bekoff
Ethology Collection
No abstract provided.
Social Play And Play-Soliciting By Infant Canids, Marc Bekoff
Social Play And Play-Soliciting By Infant Canids, Marc Bekoff
Ethology Collection
The development of social interaction was studied in infant coyotes, beagles, and wolves. In this paper, social play behavior is discussed. Social play may be characterized in a number of ways: (i) actions from various contexts are incorporated into labile (unpredictable) temporal sequences; (ii) the "play bout" is typically preceded by a metacommunicative signal which indicates "what follows is play"; these signals are also observed during the bout; (iii) certain actions may be repeated and performed in an exaggerated manner; (iv) the activity appears "pleasurable" to the players.
By comparing these three species, some insight into the dynamics of social …
The Development Of Social Interaction, Play, And Metacommunication In Mammals: An Ethological Perspective, Marc Bekoff
The Development Of Social Interaction, Play, And Metacommunication In Mammals: An Ethological Perspective, Marc Bekoff
Ethology Collection
Analysis of the dynamics of the ontogeny of social interaction is of critical importance in order that behavioral development may be comprehended in its own right, and the relationship between infant and adult behavior understood. In this review, general concepts of behavioral development in mammals are discussed and analyzed, and the many variables that are involved are considered. When it is impossible to control or observe the social interaction of the developing organism in its natural environment, captive subjects should be used. There is increasing evidence that results obtained with the latter are related to social organization observed in the …