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Articles 2761 - 2790 of 2812
Full-Text Articles in Ecology and Evolutionary Biology
Elephant Library, Elephant Editors
Elephant Library, Elephant Editors
Elephant
First mention of the future Elephant Library at the Wayne State University Library System
Ban The Ivory Campaign, Elephant Editors
Ban The Ivory Campaign, Elephant Editors
Elephant
Timeline and details of the Ban The Ivory campaign.
Present Status Of The Asian Elephant (Elephas Maximus Linneaus, 1758), Robert C. D. Olivier
Present Status Of The Asian Elephant (Elephas Maximus Linneaus, 1758), Robert C. D. Olivier
Elephant
Summary of the distribution, population, habitat, conservation, etc. of the Asian Elephant.
Erratum, Elephant Editors
Erratum, Elephant Editors
Elephant
Correction of the location of the Elephant Symposium at the 59th Annual Meeting of the ASM to Corvallis from Portland, Oregon.
Captive Elephant Population, Elephant Editors
Captive Elephant Population, Elephant Editors
Elephant
Survey of elephants in captivity, 1978.
Elephants In The Plant World, Dale J. Osborn
Elephants In The Plant World, Dale J. Osborn
Elephant
Survey of plants named for features that recall the elephant.
Oil-Soaked Birds Saved: Hsus Participates In Historic Bird Rescue
Oil-Soaked Birds Saved: Hsus Participates In Historic Bird Rescue
Close Up Reports
As the world watched the black tide of crude oil from the Amoco Cadiz devastate bird life along the French coast, HSUS staffer Guy Hodge was reporting to Congress about efforts to save oil-soaked birds in a recent Chesapeake Bay oil spill. A barge (ATC- 133) carrying nearly 500,000 gallons of crude had run aground south of the Maryland-Virginia border. Some of its cargo spilled into this North American waterfowl wintering area.
Together with HSUS cruelty investigator Phil Steward, Hodge had assisted in the most successful on-site bird rescue operation in history. One out of every three rescued birds was …
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 …
Ua35/11 Student Honors Research Bulletin, Wku Honors Program
Ua35/11 Student Honors Research Bulletin, Wku Honors Program
WKU Administration Documents
Papers representative of the variety of scholarly research conducted at WKU.
- Adams, Kathy. The Appalachian Language
- Barnett, Philip. A Study of Deviant Behavior of XYY Individuals in Regard to Environment and Genotype
- Bell, Brooks. Loving, Loyal Linda Loman: An Interpretive Note
- Danhauer, Janice. Motivating Workers Through Job Design
- Davis, Barbara. The Transformation of a Man into a Man of Understanding in Murinbata Society
- Davis, Diane. The Argot of the Homosexual
- Jewell, Teresa. The Life Story of the Hero of World War I - Sergeant Alvin C. York
- Lanham, Wayne. Das Knarrenschiff and a Ship of Fools: A Study in Influence …
Relating Wolf Scat Content To Prey Consumed, Theodore J. Floyd, L. David Mech, Peter A. Jordan
Relating Wolf Scat Content To Prey Consumed, Theodore J. Floyd, L. David Mech, Peter A. Jordan
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
In 9 trials, captive wolves (Canis lupus) were fed prey varying in size from snowshoe (Lepus americanus) to adult deer (Odocoileus virginianus), and the resulting scats were counted. collectible scats were distinguished from liquid, noncollectible stools. In collectible scats, the small prey occurred in greater proportion relative to the prey's weight, and in lesser proportion to the prey's numbers, than did the remains of larger prey. A regression equation with an excellent the data (r2 = 0.97) was derived to estimate the weight of prey eaten per collectible scat for With this information …
Prehistoric Cremations From Nogales, Arizona *, Karl J. Reinhard, Jeff H. Shipman
Prehistoric Cremations From Nogales, Arizona *, Karl J. Reinhard, Jeff H. Shipman
Karl Reinhard Publications
In October, 1969, the Highway Salvage Section of the Arizona State Museum conducted emergency salvage excavations in conjunction with the construction of the Tucson-Nogales Highway. Ten cremations were recovered from a backhoe trench which had been placed within the city limits of Nogales, Arizona. Analysis of the cremations indicated cultural contact between the Trincheras culture of Sonora, Mexico, and the Hohokam culture of the Santa Cruz River Valley in southern Arizona.
Productivity, Mortality, And Population Trends Of Wolves In Northeastern Minnesota, L. David Mech
Productivity, Mortality, And Population Trends Of Wolves In Northeastern Minnesota, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Population parameters, mortality causes, and mechanisms of a population decline were studied in wolves (Canis lupus lycaon) from 1968 to 1976 in the Superior National Forest. The main method was aerial radio-tracking of 129 wolves and their packmates. Due to a decline in white-tailed deer (Odocoileus virginianus), the wolf population decreased during most of the study. Average annual productivity varied from 1.5 to 3.3 pups per litter, and annual mortality rates from 7 to 65 percent. Malnutrition and intraspecific strife accounted equally for 58 percent of the mortality; human causes accounted for the remainder. As wolf …
Wolf-Pack Buffer Zones As Prey Reservoirs, L. David Mech
Wolf-Pack Buffer Zones As Prey Reservoirs, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Abstract. In a declining herd, surviving deer inhabited overlapping edges of wolf- pack territories. There, wolves hunted little until desperate, in order to avoid fatal encounters with neighbors. Such encounters reduce wolf numbers and predation pressure and apparently allow surviving deer along territory edges to repopulate the area through dispersal of their prime, less vulnerable offspring into territory cores.
Mammalian Dispersal And The Ontogeny Of Individual Behavioral Phenotypes, Marc Bekoff
Mammalian Dispersal And The Ontogeny Of Individual Behavioral Phenotypes, Marc Bekoff
Ethology Collection
Explanations of dispersal mechanisms in mammals that have stressed the importance of aggression by dominant (?) individuals as the immediate cause of the dispersal of less aggressive (more subordinate?) individuals are insufficient for explaining recent data collected on a variety of mammals. In fact, avoidance of social interaction at the time of dispersal is more characteristic of some species in which individuals emigrate. Studies that have investigated genetic correlates of dispersal in rodent populations that undergo regular cycles are few and have not provided any "causative" explanations. In various canids and rodents, behavioral interactions at the time of dispersal do …
Meeting Of The Elephant Interest Group At Michigan State University, June 21, 1977, Jeheskel Shoshani
Meeting Of The Elephant Interest Group At Michigan State University, June 21, 1977, Jeheskel Shoshani
Elephant
Digest of the minutes of the first informal meeting of the Elephant Interest Group at the 57th Annual Meeting of the American Society of Mamalogists (ASM).
Struggle To Save Dolphins Continuing
Struggle To Save Dolphins Continuing
Close Up Reports
The Humane Society of the United States has initiated a nationwide boycott of a tuna products until real progress is made in reducing the needless slaughter of porpoises in tuna nets.
In the Spring of 1976, HSUS first asked its members to refrain from buying tuna because of the high porpoise mortality and the tuna industry's unwillingness to adopt any research porpoise-saving procedures. Recently, HSUS Program Coordinator Patricia Forkan called for a nationwide boycott of tuna.
Visual Detection Of Cryptic Prey By Blue Jays (Cyanocitta Cristata), Alexandra T. Pietrewicz, Alan Kamil
Visual Detection Of Cryptic Prey By Blue Jays (Cyanocitta Cristata), Alexandra T. Pietrewicz, Alan Kamil
Avian Cognition Papers
Blue jays learned to respond differentially to the presence or absence of Catocala moths in slides. This detection of the moths by the jays was affected by the background upon which the moth was placed and its body orientation, thus providing an objective measure of crypticity. These procedures are useful for the study of visual detection of prey.
Analysis Of The Presettlement Forests Of The Unglaciated Portions Of Southern Illinois, Lawrence A. Leitner
Analysis Of The Presettlement Forests Of The Unglaciated Portions Of Southern Illinois, Lawrence A. Leitner
All-Inclusive List of Electronic Theses and Dissertations
This research used the data on witness trees found in the surveyors' records of the General Land Office surveys of 1805-1815 as the basis for studying the primeval forests of unglaciated southern Illinois. Via computer, the random pairs and closest individual methods of plotless sampling were used to develop stand attributes tables, with soil association boundaries defining the limits of forest stands. A vegetation map was developed from these stands. Four major forest types were delineated: Upland Oak, nixed Hardwoods, Swamp Forest, and Floodplain Forest. The Upland Oak Forest, with lowest density (175.9/ha or 71.2/acre) and basal area (21.3 rn …
The Nursing Posture Of Domestic Sows And Related Behaviour, D. Fraser
The Nursing Posture Of Domestic Sows And Related Behaviour, D. Fraser
Rearing Behavior Collection
The nursing behaviour of the sow commonly involves upward rotation of the udder, movements of the head and legs, and rhythmic grunting. Aspects of this behaviour were studied in several experiments with pregnant females, juveniles males, and suckling piglets. Many pregnant females lay down and assumed the nursing posture when their udders were first rubbed by hand. Those which initially appeared agitated in the experimenter's presence often failed to do so until after some habituation to the procedure. When the upper and lower rows of teats were rubbed alternately, the udder was usually rotated toward the stimulation. This rotation, like …
An Attempt To Find Auditory Communication In The Squirrel Monkey Via Cooperative Conditioning, Michael T. Bardo
An Attempt To Find Auditory Communication In The Squirrel Monkey Via Cooperative Conditioning, Michael T. Bardo
Masters Theses
No abstract provided.
Special Report On Zoo Reform
Special Reports
The Humane Society of the United States has taken the lead for the past 3 1/2 years in reforming American zoos. HSUS has awakened Americans to the fact that wild animals have been caged inhumanely for many decades in the nation's zoos and that major and drastic actions are necessary to correct these problems. While HSUS has continued to insist that no wild animal should be exploited simply to create an attraction or exhibit, such is not the state of the world as it exists today. Consequently, HSUS is determined to do everything in its power to alleviate the suffering …
Annotated Checklist Of Mammals Of The Yucatán Peninsula, México. Iv. Carnivora, Sirenia, Perissodactyla, Artiodactyla, Hugh H. Genoways, Robert J. Baker
Annotated Checklist Of Mammals Of The Yucatán Peninsula, México. Iv. Carnivora, Sirenia, Perissodactyla, Artiodactyla, Hugh H. Genoways, Robert J. Baker
University of Nebraska State Museum: Mammalogy Papers
This is the fourth in a series of papers by Jones, et al., dealing with the systematics and distributional status of mammals on the Yucatán Peninsula of México. The present contribution lists 24 native species belonging to the orders Carnivora (18 species), Sirenia (one), Perissodactyla (one), and Artiodactyla (four). Among the carnivores there are one canid, six procyonids, six mustelids, and five felids, whereas the Artiodactyla is represented by two families (Tayassuidae and Cervidae), each with two species.
The Yucatán Peninsula as treated in this series of papers includes the Mexican states of Campeche and Yucatan, and the Federal Territory …
The Behaviour Of Swine, J. P. Signoret, B. A. Baldwin, D. Fraser, E. S. E. Hafez
The Behaviour Of Swine, J. P. Signoret, B. A. Baldwin, D. Fraser, E. S. E. Hafez
Mammalogy Collection
The pig was a forest-dwelling animal from the beginning of its history. In some parts of the world it has been domesticated for at least 7000 years. The European breeds of domestic swine were derived from the local wild pig, Sus scrofa. Herds ranged in pastures and forests and kept indoors only for fattening. The breeds in the Far East were derived from another wild pig, Sus vittatus, a smaller animal with shorter legs and a higher reproductive ability (Mohr 1960; Zeuner 1963). The two types interbred readily. The modem breeds of pig evolved from different crossings between the two …
Special Report On Controlling America's Pet Population
Special Report On Controlling America's Pet Population
Special Reports
HSUS estimates that public and private animal control programs cost the nation as much as $500 million a year. Much of this expense is required for the feeding and care of unwanted animals during the 5 to 10 days they are held for adoption, killing the 80% that are not adopted or redeemed, and disposing of the carcasses. The result is both an unconscionable waste of life and a needless drain on public and private money.
A large part of the blame for people undertaking pet ownership without having made a total commitment to the animal lies with the pet …
The Primitive Hunter Culture, Pleistocene Extinction, And The Rise Of Agriculture, Vernon L. Smith
The Primitive Hunter Culture, Pleistocene Extinction, And The Rise Of Agriculture, Vernon L. Smith
Economics Faculty Articles and Research
The hypothesis that megafauna extinction some 10,000 years ago was due to "overkill" by Paleolithic hunters is examined using an economic model of a replenishable resource. The large herding animals that became extinct, such as mammoth, bison, camel, and mastodon, presented low hunting cost and high kill value. The absence of appropriation provided incentives for the wastage killing evident in some kill sites, while the slow growth, long lives, and long maturation of large animals increased their vulnerability to extinction. Free-access hunting is compared with socially optimal hunting and used to interpret the development of conservationist ethics, and controls, in …
The Relative Attenuation Of Self-Stimulation, Eating And Drinking Produced By Dopamine-Receptor Blockade, E. T. Rolls, B. J. Rolls, P. H. Kelly, S. G. Shaw, R. J. Wood, Robert H.I. Dale
The Relative Attenuation Of Self-Stimulation, Eating And Drinking Produced By Dopamine-Receptor Blockade, E. T. Rolls, B. J. Rolls, P. H. Kelly, S. G. Shaw, R. J. Wood, Robert H.I. Dale
Scholarship and Professional Work - LAS
Spiroperidol, which blocks dopamine (DA) receptors, attenuated self-stimulation of the nucleus accumbens, septal area, hippocampus, anterior hypothalamus and ventral tegmental area. Dopamine is thus involved in self-stimulation of many sites (in addition to the lateral hypothalamus). The attenuation was not a simple motor impairment of the speed of bar-pressing in that the nucleus accumbens and septal self-stimulation rates were lower than those in treated animals self-stimulating at other sites (Experiment 1). Feeding was partly attenuated, and drinking was much less attenuated by the spiroperidol. Since the rats bar-pressed for brain- stimulation reward, chewed pellets to eat, and licked a tube …
Annotated Checklist Of Mammals Of The Yucatán Peninsula, México. Ii. Rodentia, J. Knox Jones Jr., Hugh H. Genoways, Timothy E. Lawlor
Annotated Checklist Of Mammals Of The Yucatán Peninsula, México. Ii. Rodentia, J. Knox Jones Jr., Hugh H. Genoways, Timothy E. Lawlor
University of Nebraska State Museum: Mammalogy Papers
The Yucatán Peninsula, as encompassed in this series of papers, includes the Mexican states of Campeche and Yucatán, and the Federal Territory of Quintana Roo. This region is a low-lying plain that rises gently in elevation from north to south. It is surrounded on three sides by water and bounded on the south by British Honduras (i.e. Belize), Guatemala, and the Mexican state of Tabasco. The vegetation of the peninsula increases in height from north to south and from the coast inland. Generally, forest to the north is xerophilic, but that of the southern part of the peninsula is tall, …
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 …
Canis Lupus., L. David Mech
Canis Lupus., L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Order Carnivora, Family Canidae. The genus Canis includes eight species. Approxi- mately 24 New World and eight Old World subspecies of C. lupus are recognized, the number depending on authorities accepted. For summary, see Mech (1970); for full synonymy, see Pocock (1935), Goldman (1944), Ellerman and Morrison- Scott (1951), Novikov (1956), and Hall and Kelson (1959).