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Author |
Mrosovsky, N.; Shettleworth, S.J. |
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Title  |
Further studies of the sea-finding mechanism in green turtle hatchlings |
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Journal Article |
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Year |
1974 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
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Volume |
51 |
Issue |
3-4 |
Pages |
195-208 |
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Keywords |
Animals; *Animals, Newborn/physiology; Contact Lenses; Locomotion; *Orientation; Retina/physiology; *Turtles/physiology; Visual Fields; *Visual Perception; Water |
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English |
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0005-7959 |
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PMID:4447586 |
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Call Number |
refbase @ user @ |
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389 |
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Author |
Powell, G.V.N. |
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Title |
Experimental analysis of the social value of flocking by starlings (Sturnus vulgaris) in relation to predation and foraging |
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Journal Article |
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Year |
1974 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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Volume |
22 |
Issue |
2 |
Pages |
501-505 |
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Abstract |
In groups of ten, indidual starlings, Sturnus vulgaris, spent significantly less time in surveillance than did individuals in smaller groups and responded more quickly than single birds to a flying model hawk. Captive starlings in flocks reduce their individual surveillance efforts, but their combined efforts still enable them to be more effective than single birds in the detection of predators. Foraging behaviour of flocks was observed by placing single starlings with groups of tricoloured blackbirds, Agelaius tricolor; the starlings reduced the time they devoted to surveillance at the same rate as if they were with other starlings. |
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2147 |
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Author |
Schäfer, Michael |
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Title |
Die Sprache des Pferdes – Lebensweise und Ausdrucksformen |
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Book Whole |
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Year |
1974 |
Publication |
Nymphenburger Verlagshandlung |
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2. Auflage 1976 |
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216 |
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Deutsch |
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3-485-01724-8 |
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no |
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Reiten Lesen Denken @ eberhardhuebener @ |
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1791 |
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Author |
Joubert E,; atal, |
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Title |
development of the Hartmann zebra |
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Journal Article |
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Year |
1974 |
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Madoqua |
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8 |
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55-58 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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1230 |
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Author |
Joubert E, |
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Title |
Composition and limiting factors of a Khomas Hochland population of Hartmann zebra |
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Journal Article |
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Year |
1974 |
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Abbreviated Journal |
Madoqua |
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8 |
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49-53 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1228 |
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Author |
Syme, G.J. |
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Title |
Competitive orders as measures of social dominance |
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Journal Article |
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Year |
1974 |
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Volume |
22 |
Issue |
Part 4 |
Pages |
931-940 |
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Abstract |
The use of competitive orders as measures of social dominance is examined, the conclusion being that such use is based on the assumption of the unidimensionality of social dominance. Evidence is presented to show that this is not always the case. Consequently it is suggested that each competitive order must be validated in terms of its measurement of priority of access and response requirements (internal validity) as well as its generality (external validity) before it can be regarded as a dominance measure. Problems of the validity of aggression orders as measures of social dominance are also examined along with their relationship to competitive orders. |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2188 |
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Author |
Andrew, R.J. |
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Title |
Changes in visual responsiveness following intercollicular lesions and their effects on avoidance and attack |
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Journal Article |
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Year |
1974 |
Publication |
Brain, Behavior and Evolution |
Abbreviated Journal |
Brain Behav Evol |
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Volume |
10 |
Issue |
4-5 |
Pages |
400-424 |
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Keywords |
Animals; Chickens; Humans; Male; Mutism; Superior Colliculi/*physiology; Tectum Mesencephali; Testosterone; Visual Fields; Vocalization, Animal |
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Abstract |
In the normal chick, conspicuous visual stimuli induce targetting and pecking together, with vocalization. All three are abolished by lesion of the intercollicular area (ICo) or of connections passing through its medial margin. After such lesions, chicks also cease to treat significant visual stimuli as if they were startling and exciting, and may delay response as a result. However, they are still able to recognise, orient accurately to, and respond appropriately to, a variety of complex visual stimuli (e.g. food grains, copulation object). In addition, they are little affected by strange surroundings. Lesion evidence suggests the mammalian subcollicular area to have similar functions to the ICo and to be homologous with it. A route (present in bird), which is well-known in mammals for its association with threat, defense and escape evoked by strange and frightening objects (amygdala-diencephalic periventricular system-central mesencephalic grey, A-DPS-CMG) is stimuli via the 2 ICo (subcollicular area). Two different mechanisms may be involved caudal to the ICo. One consists of tectal afferents which might modulate the evocation of targetting, pecking and other responses via the tectum. The other is the predorsal system of tectal efferents which may mediate such responses. Classical syndromes of tameness and unresponsiveness produced by various interruptions of the A-DPS-CMG route may depend on interruption of connections to these midbrain mechanisms. Attack is depressed by ICo lesions as one aspect of reduced responsiveness to conspicuous and startling visual stimuli. Avoidance, which is apparently mediated by a separate system, much as in Anura, is facilitated. |
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0006-8977 |
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Notes |
PMID:1169102 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4626 |
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Author |
Eisenmann V, G.D.C. |
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Title |
Caractères distinctifs entre vrais zèbres et zèbres de Chapman d`après l`étude de 60 têtes osseuses. |
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Journal Article |
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Year |
1974 |
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Mammalia |
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38 |
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Pages |
509-543 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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1060 |
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Author |
Eisenmann V, G.D.C. |
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Title |
Caractères distinctifs des premières phalanges antérieures et postérieures chez certains équidés actuels et fossiles |
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Journal Article |
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Year |
1974 |
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Abbreviated Journal |
Bull Soc g?ol France |
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16 |
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352-361 |
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from Professor Hans Klingels Equine Reference List |
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1059 |
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Author |
Hinde, R.A. |
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Title |
Biological Bases of Human Social Behavior |
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Miscellaneous |
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1974 |
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Equine Behaviour @ team @ |
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4849 |
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