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Author  |
Bemmel Van Acv, |
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Title |
Some remarks on the african wild ass |
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Journal Article |
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Year |
1972 |
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Abbreviated Journal |
Zoolog Mededelingen |
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47 |
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261-274 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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930 |
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Author |
BENIRSCHKE K |
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Title |
An unusual zebra hybrid – the zeebraa |
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Journal Article |
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Abbreviated Journal |
Zoondooz |
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15 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Call Number |
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Serial |
931 |
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Author |
Bennett Dk, |
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Title |
Stripes do not a zebra make, Part I: A cladistic analysis of Equus |
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Journal Article |
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Year |
1980 |
Publication |
Systematic Zoology |
Abbreviated Journal |
Syst Zool |
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Volume |
29 |
Issue |
2 |
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272-287 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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932 |
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Author |
Berger J, |
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Title |
Predation, sex ratios, and male competition in equids |
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Journal Article |
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Year |
1983 |
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Abbreviated Journal |
J Zool Lond |
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201 |
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205-216 |
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Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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939 |
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Author |
Blaine G, |
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Title |
Notes on the zebras and some antelopes of Angola |
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Journal Article |
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Year |
1922 |
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Abbreviated Journal |
Proc Zool Soc Lond |
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317 |
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1-8 |
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from Professor Hans Klingels Equine Reference List |
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no |
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946 |
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Author |
Bouman Jg, |
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Title |
The future of Przewalski horses |
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Journal Article |
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1977 |
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Abbreviated Journal |
Int Zoo Yearbook |
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17 |
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62-68 |
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Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Call Number |
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953 |
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Author |
BOURDELLE E |
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Title |
La distribution geographique des equides actuels. |
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Journal Article |
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Year |
1949 |
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Abbreviated Journal |
3.Intern Zool Kongr |
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1948 |
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383-387 |
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Paris |
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Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Call Number |
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962 |
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Author |
Briefer, E.F.; Haque, S.; Baciadonna, L.; McElligott, A.G. |
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Title |
Goats excel at learning and remembering a highly novel cognitive task |
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Journal Article |
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Year |
2014 |
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Frontiers in Zoology |
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Front. Zool. |
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11 |
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1 |
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20 |
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Abstract |
The computational demands of sociality (maintaining group cohesion, reducing conflict) and ecological problems (extractive foraging, memorizing resource locations) are the main drivers proposed to explain the evolution cognition. Different predictions follow, about whether animals would preferentially learn new tasks socially or not, but the prevalent view today is that intelligent species should excel at social learning. However, the predictions were originally used to explain primate cognition, and studies of species with relatively smaller brains are rare. By contrast, domestication has often led to a decrease in brain size, which could affect cognition. In domestic animals, the relaxed selection pressures compared to a wild environment could have led to reduced social and physical cognition. Goats possess several features commonly associated with advanced cognition, such as successful colonization of new environments and complex fission-fusion societies. Here, we assessed goat social and physical cognition as well as long-term memory of a complex two-step foraging task (food box cognitive challenge), in order to investigate some of the main selection pressures thought to affect the evolution of ungulate cognition. |
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1742-9994 |
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Equine Behaviour @ team @ Briefer2014 |
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6376 |
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Author |
Buttiker, W. |
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Title |
[Preliminary report on eye-frequenting butterflies in the Ivory Coast] |
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Journal Article |
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Year |
1973 |
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Revue Suisse de Zoologie; Annales de la Societe Zoologique Suisse et du Museum d'Histoire Naturelle de Geneve |
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Rev Suisse Zool |
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80 |
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1 |
Pages |
1-43 |
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Keywords |
Animals; Behavior, Animal; Cattle; Cote d'Ivoire; Ecology; Ectoparasitic Infestations/*veterinary; *Eye; Horses; *Insects; *Parasites; Sheep |
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German |
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Vorlaufige Beobachtungen an augenbesuchenden Schmetterlingen in der Elfenbeinkuste |
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0035-418X |
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PMID:4354354 |
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Equine Behaviour @ team @ |
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2716 |
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Author |
Carlstead, K.; Brown, J.L. |
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Relationships between patterns of Fecal corticoid excretion and behavior, reproduction, and environmental factors in captive black (Diceros bicornis) and white (Ceratotherium simum) rhinoceros |
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Journal Article |
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Year |
2005 |
Publication |
Zoo Biology |
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Zoo Biol. |
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24 |
Issue |
3 |
Pages |
215-232 |
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stress; adrenal activity; olfactory behavior; ovarian activity; reproduction; mortality |
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Abstract |
Mortality is high in zoo-housed black rhinoceros (Diceros bicornis), and the reproductive rates of captive white rhinoceros (Ceratotherium simum) are unsustainably low. To determine the possible role of stress in the causation of these problems, we analyzed weekly fecal samples collected for 1 year from black (10 males and 16 females) and white (six males and 13 females) rhinoceroses at 16 zoos for corticoid metabolite concentrations. Fecal corticoid profiles were examined in relation to behavior as rated by keepers in a questionnaire, luteal phase ovarian cycles of females (Brown et al., 2001), and socioenvironmental factors. We compared individual fecal corticoid profiles by examining hormone means and variability (i.e., standard deviation (SD) and coefficient of variation (CV)). For the black rhinos, higher mean corticoid concentrations were found at zoos where rhinos were maintained in enclosures that were exposed to the public around a greater portion of the perimeter. Higher variability in corticoid excretion was correlated with higher rates of fighting between breeding partners and higher institutional mortality rates. Black rhino pairs that were kept separated exhibited lower corticoid variability and less fighting activity when they were introduced during female estrous periods compared to pairs that were kept together every day. For white rhinos, significantly lower mean corticoids were found for individuals that rated higher on “friendliness to keeper.” Higher corticoid variability was found in noncycling as compared to cycling white rhino females. Noncycling females exhibited higher rates of stereotypic pacing and lower frequencies of olfactory behaviors. Interindividual differences in mean corticoids in both species appeared to be related to responsiveness to humans, whereas corticoid variability was related to intraspecific social relationships. More importantly, high corticoid variability appeared to be an indicator of chronic or “bad” stress, because of its association with potentially deleterious consequences in each species (i.e., fighting and mortality (black rhino), and reproductive acyclicity (white rhino)). Our results provide evidence that social stressors may cause chronic stress in black and white rhinos, and that this contributes to the captive-population sustainability problems observed in each species. Zoo Biol 0:1–18, 2005. © 2005 Wiley-Liss, Inc. |
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Wiley Subscription Services, Inc., A Wiley Company |
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1098-2361 |
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Equine Behaviour @ team @ |
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6142 |
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