| Records |
| Author |
Griffin, D.R. |
| Title |
Animals know more than we used to think |
Type |
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| Year |
2001 |
Publication |
Proceedings of the National Academy of Sciences of the United States of America |
Abbreviated Journal |
Proc. Natl. Acad. Sci. U.S.A. |
| Volume |
98 |
Issue |
9 |
Pages |
4833-4834 |
Keywords  |
Animal Communication; Animals; Attention/physiology; Brain/physiology; Choice Behavior/physiology; Cognition/*physiology; Humans; Macaca mulatta/physiology/*psychology; Memory/*physiology; Optic Disk/physiology; Psychological Tests |
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English |
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| ISSN |
0027-8424 |
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| Notes |
PMID:11320232 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2823 |
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| Author |
Griffin, D.R.; Speck, G.B. |
| Title |
New evidence of animal consciousness |
Type |
Journal Article |
| Year |
2004 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
7 |
Issue |
1 |
Pages |
5-18 |
| Keywords |
Animal Communication; Animals; Awareness; *Behavior, Animal; *Consciousness |
| Abstract |
This paper reviews evidence that increases the probability that many animals experience at least simple levels of consciousness. First, the search for neural correlates of consciousness has not found any consciousness-producing structure or process that is limited to human brains. Second, appropriate responses to novel challenges for which the animal has not been prepared by genetic programming or previous experience provide suggestive evidence of animal consciousness because such versatility is most effectively organized by conscious thinking. For example, certain types of classical conditioning require awareness of the learned contingency in human subjects, suggesting comparable awareness in similarly conditioned animals. Other significant examples of versatile behavior suggestive of conscious thinking are scrub jays that exhibit all the objective attributes of episodic memory, evidence that monkeys sometimes know what they know, creative tool-making by crows, and recent interpretation of goal-directed behavior of rats as requiring simple nonreflexive consciousness. Third, animal communication often reports subjective experiences. Apes have demonstrated increased ability to use gestures or keyboard symbols to make requests and answer questions; and parrots have refined their ability to use the imitation of human words to ask for things they want and answer moderately complex questions. New data have demonstrated increased flexibility in the gestural communication of swarming honey bees that leads to vitally important group decisions as to which cavity a swarm should select as its new home. Although no single piece of evidence provides absolute proof of consciousness, this accumulation of strongly suggestive evidence increases significantly the likelihood that some animals experience at least simple conscious thoughts and feelings. The next challenge for cognitive ethologists is to investigate for particular animals the content of their awareness and what life is actually like, for them. |
| Address |
Concord Field Station, Harvard University, Old Causeway Road, Bedford, MA 01730, USA |
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English |
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| ISSN |
1435-9448 |
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| Notes |
PMID:14658059 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2549 |
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| Author |
Marino, L. |
| Title |
Convergence of complex cognitive abilities in cetaceans and primates |
Type |
Journal Article |
| Year |
2002 |
Publication |
Brain, Behavior and Evolution |
Abbreviated Journal |
Brain Behav Evol |
| Volume |
59 |
Issue |
1-2 |
Pages |
21-32 |
| Keywords |
Animal Communication; Animals; Brain/physiology; Cerebral Cortex/physiology; Cetacea/*physiology; Cognition/*physiology; *Evolution; Humans; Intelligence; Primates/*physiology |
| Abstract |
What examples of convergence in higher-level complex cognitive characteristics exist in the animal kingdom? In this paper I will provide evidence that convergent intelligence has occurred in two distantly related mammalian taxa. One of these is the order Cetacea (dolphins, whales and porpoises) and the other is our own order Primates, and in particular the suborder anthropoid primates (monkeys, apes, and humans). Despite a deep evolutionary divergence, adaptation to physically dissimilar environments, and very different neuroanatomical organization, some primates and cetaceans show striking convergence in social behavior, artificial 'language' comprehension, and self-recognition ability. Taken together, these findings have important implications for understanding the generality and specificity of those processes that underlie cognition in different species and the nature of the evolution of intelligence. |
| Address |
Neuroscience and Behavioral Biology Program, Emory University, Atlanta, Ga. 30322, USA. lmarino@emory.edu |
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English |
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| ISSN |
0006-8977 |
ISBN |
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Conference |
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| Notes |
PMID:12097858 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4158 |
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| Author |
Bergstrom, C.T.; Lachmann, M. |
| Title |
Signaling among relatives. III. Talk is cheap |
Type |
Journal Article |
| Year |
1998 |
Publication |
Proceedings of the National Academy of Sciences of the United States of America |
Abbreviated Journal |
Proc. Natl. Acad. Sci. U.S.A. |
| Volume |
95 |
Issue |
9 |
Pages |
5100-5105 |
| Keywords |
Animal Communication; Animals; Costs and Cost Analysis; *Evolution; Interpersonal Relations; Models, Biological |
| Abstract |
The Sir Philip Sidney game has been used by numerous authors to show how signal cost can facilitate honest signaling among relatives. Here, we demonstrate that, in this game, honest cost-free signals are possible as well, under very general conditions. Moreover, these cost-free signals are better for all participants than the previously explored alternatives. Recent empirical evidence suggests that begging is energetically inexpensive for nestling birds; this finding led some researchers to question the applicability of the costly signaling framework to nestling begging. Our results show that cost-free or inexpensive signals, as observed empirically, fall within the framework of signaling theory. |
| Address |
Department of Biological Sciences, Stanford University, Stanford, CA 94305, USA. carl@charles.stanford.edu |
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English |
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0027-8424 |
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| Notes |
PMID:9560235 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
561 |
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| Author |
Gajdon, G.K.; Fijn, N.; Huber, L. |
| Title |
Limited spread of innovation in a wild parrot, the kea (Nestor notabilis) |
Type |
Journal Article |
| Year |
2006 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
9 |
Issue |
3 |
Pages |
173-181 |
| Keywords |
Animal Communication; Animals; Diffusion of Innovation; Feeding Behavior; Female; *Imitative Behavior; *Learning; Male; *Motor Skills; *Parrots; *Problem Solving; Sex Factors; Social Dominance; Social Environment; Statistics, Nonparametric |
| Abstract |
In the local population of kea in Mount Cook Village, New Zealand, some keas open the lids of rubbish bins with their bill to obtain food scraps within. We investigated the extent to which this innovation has spread in the local population, and what factors limit the acquisition of bin opening. Only five males of 36 individually recognised birds were observed to have performed successful bin opening. With one exception there were always other keas present, watching successful bin opening. Seventeen additional individuals were seen to have benefitted from lid opening. Their foraging success was less than that of the bin openers. Social status of bin openers did not differ from scrounging males. Among the individuals that were regularly seen at the site of the bins but were not successful in bin opening, social status and the ratio of feeding directly from open bins correlated with the amount of opening attempts. We conclude that scrounging facilitated certain behavioural aspects of bin opening rather than inhibiting them. The fact that only 9% of opening attempts were successful, and the long period of time required to increase efficiency in lid opening shows that mainly individual experience, and to a lesser extent insight and social learning, play key roles in acquisition of the opening technique. The results indicate that the spread of innovative solutions of challenging mechanical problems in animals may be restricted to only a few individuals. |
| Address |
Department for Behavior, Neurobiology and Cognition, University of Vienna, 1090, Vienna, Austria. gyula.gajdon@univie.ac.at |
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English |
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1435-9448 |
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| Notes |
PMID:16568276 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2472 |
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| Author |
Iwuala, M.O.; Okpala, I. |
| Title |
Studies on the ectoparasitic fauna of Nigerian livestock II: Seasonal infestation rates |
Type |
Journal Article |
| Year |
1978 |
Publication |
Bulletin of Animal Health and Production in Africa. Bulletin des Sante et Production Animales en Afrique |
Abbreviated Journal |
Bull Anim Health Prod Afr |
| Volume |
26 |
Issue |
4 |
Pages |
351-359 |
| Keywords |
Animal Diseases/*epidemiology; Animals; Cattle; Dogs; Ecology; Ectoparasitic Infestations/epidemiology/*veterinary; Goats; Horses; Nigeria; Seasons; Sheep; Swine |
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English |
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Edition |
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| ISSN |
0378-9721 |
ISBN |
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| Notes |
PMID:756759 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2695 |
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| Author |
Iwuala, M.O.; Okpala, I. |
| Title |
Studies on the ectoparasitic fauna of Nigerian livestock I: Types and distribution patterns on hosts' |
Type |
Journal Article |
| Year |
1978 |
Publication |
Bulletin of Animal Health and Production in Africa. Bulletin des Sante et Production Animales en Afrique |
Abbreviated Journal |
Bull Anim Health Prod Afr |
| Volume |
26 |
Issue |
4 |
Pages |
339-350 |
| Keywords |
Animal Diseases/*epidemiology; Animals; Cattle; Dogs; Ecology; Ectoparasitic Infestations/epidemiology/*veterinary; Goats; Horses; Nigeria; Sheep; Swine |
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English |
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0378-9721 |
ISBN |
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| Notes |
PMID:756758 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2696 |
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| Author |
Lachapelle, S.; Healey, J. |
| Title |
On Hans, Zou and the others: wonder animals and the question of animal intelligence in early twentieth-century France |
Type |
Journal Article |
| Year |
2010 |
Publication |
Studies in History and Philosophy of Science Part C: Studies in History and Philosophy of Biological and Biomedical Sciences |
Abbreviated Journal |
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| Volume |
41 |
Issue |
1 |
Pages |
12-20 |
| Keywords |
Animal experimentation; Animal intelligence; Clever Hans; Comparative psychology; Psychical research; Wonder animals |
| Abstract |
During the second half of the nineteenth century, the advent of widespread pet ownership was accompanied by claims of heightened animal abilities. Psychical researchers investigated many of these claims, including animal telepathy and ghostly apparitions. By the beginning of the twentieth century, news of horses and dogs with the ability to read and calculate fascinated the French public and scientists alike. Amidst questions about the justification of animal cruelty in laboratory experiments, wonder animals came to represent some extraordinary possibilities associated with their kind. Psychologists speculated on the feats of wonder animals. They considered the possibility that these animals shared consciousness and intelligence with humans, and that--if confirmed--their alleged amazing abilities could lead to a new understanding of cognition for all animals. This article focuses on the few years during which claims of wonder animals occupied a significant place in French psychology and psychical research. It argues that as explanations involving deception or unconscious cues gained increased acceptance, the interest in wonder animals soon led to a backlash in comparative psychology that had repercussions for all animals, particularly those used in experimentation, in that it contributed to the decline of research addressing cognitive abilities in non-human species. |
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1369-8486 |
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no |
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Equine Behaviour @ team @ |
Serial |
5079 |
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| Author |
Hertel, J.; Altmann, H.J.; Drepper, K. |
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[Nutritional physiology studies of the horse. II. Raw nutrient studies of the gastrointestinal tract of slaughtered horses] |
Type |
Journal Article |
| Year |
1970 |
Publication |
Zeitschrift fur Tierphysiologie, Tierernahrung und Futtermittelkunde |
Abbreviated Journal |
Z Tierphysiol Tierernahr Futtermittelkd |
| Volume |
26 |
Issue |
3 |
Pages |
169-174 |
| Keywords |
Animal Feed/*analysis; *Animal Nutrition Physiology; Animals; Digestive System/*analysis; Horses/*physiology; Intestines/metabolism; Lipid Metabolism; Proteins/metabolism; Stomach/metabolism |
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German |
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Original Title |
Ernahrungsphysiologische Untersuchungen beim Pferd. II. Rohnahrstoffuntersuchungen im Magen-Darm-Trakt von Schlachtpferden |
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0044-3565 |
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| Notes |
PMID:5516852 |
Approved |
no |
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refbase @ user @ |
Serial |
136 |
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Ordakowski-Burk, A.L.; Quinn, R.W.; Shellem, T.A.; Vough, L.R. |
| Title |
Voluntary intake and digestibility of reed canarygrass and timothy hay fed to horses |
Type |
Journal Article |
| Year |
2006 |
Publication |
Journal of Animal Science |
Abbreviated Journal |
J. Anim Sci. |
| Volume |
84 |
Issue |
11 |
Pages |
3104-3109 |
| Keywords |
Animal Feed/*analysis; Animal Nutrition Physiology; Animals; Diet/*veterinary; Digestion/*physiology; Feeding Behavior/*physiology; Horses/*physiology; Male; Poaceae/*metabolism |
| Abstract |
Thousands of hectares of timothy (Phleum pretense L.) grown in the Mid-Atlantic region are infected by cereal rust mite (Abacarus hysterix) that causes discoloration and curling of leaves, decreased nutritional quality, and substantial decreases in yield. A decline in production of timothy hay can lower income for hay producers and cause horse owners to search for alternative hays. Low alkaloid reed canarygrass (Phalaris arundinacea L.) hay has potential as an alternative to timothy hay because it grows well in the Mid-Atlantic region, is believed to have a similar nutrient quality to timothy, and is not as susceptible to cereal rust mite. Eleven mature, stalled Thoroughbred geldings (549 +/- 12.1 kg) that were exercised daily were used to compare voluntary DMI and apparent nutrient DM digestibility of timothy and low-alkaloid Chiefton variety reed canarygrass hay. Horses were paired by age and BW and randomly assigned to timothy or reed canarygrass hay during a 14-d period to measure voluntary DMI followed by a 4-d period to measure apparent DM digestibility. Both hays met the minimum requirements for DE, CP, Ca, P, K, Fe, and Mn, but they did not meet the minimum requirements for Cu, Zn, and Na for horses at maintenance and averaging 550 kg of BW. Timothy hay seemed to have a lower CP concentration (14.4%) compared with reed canarygrass hay (17.1%) and a more desirable Ca:P ratio at 1.6:1 compared with 0.8:1 for reed canarygrass hay. Horses fed timothy consumed more hay (P <0.001) during the voluntary DMI period compared with horses fed reed canarygrass. Greater voluntary DMI of timothy occurred on d 1, 3, and 5 (P <0.05), but DMI was similar for other days. Apparent DM digestibility was greater in horses fed timothy hay by 9.6% compared with horses fed reed canarygrass hay (P <0.05). Horses fed timothy had greater DM digestibility of ADF (P = 0.001), NDF (P = 0.001), sugar (P = 0.05), and Ca (P = 0.001) but lower apparent DM digestibility of CP (P = 0.012) and crude fat (P = 0.004). Timothy hay was superior in voluntary DMI and apparent DM digestibility compared with low-alkaloid reed canarygrass hay fed to horses. |
| Address |
Department of Animal and Avian Sciences, University of Maryland, College Park 20742, USA. amyburk@umd.edu |
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English |
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Edition |
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1525-3163 |
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| Notes |
PMID:17032805 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
4236 |
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