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Author |
Clutton-Brock, T.H.; Russell, A.F.; Sharpe, L.L.; Brotherton, P.N.; McIlrath, G.M.; White, S.; Cameron, E.Z. |
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Title |
Effects of helpers on juvenile development and survival in meerkats |
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Journal Article |
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Year |
2001 |
Publication |
Science (New York, N.Y.) |
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Science |
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Volume |
293 |
Issue |
5539 |
Pages |
2446-2449 |
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Animals; Breeding; Carnivora/growth & development/*physiology; *Cooperative Behavior; Feeding Behavior; Female; Male; Survival Rate; *Weight Gain |
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Abstract |
Although breeding success is known to increase with group size in several cooperative mammals, the mechanisms underlying these relationships are uncertain. We show that in wild groups of cooperative meerkats, Suricata suricatta, reductions in the ratio of helpers to pups depress the daily weight gain and growth of pups and the daily weight gain of helpers. Increases in the daily weight gain of pups are associated with heavier weights at independence and at 1 year of age, as well as with improved foraging success as juveniles and higher survival rates through the first year of life. These results suggest that the effects of helpers on the fitness of pups extend beyond weaning and that helpers may gain direct as well as indirect benefits by feeding pups. |
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Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK. thcb@hermes.cam.ac.uk |
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English |
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0036-8075 |
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PMID:11577235 |
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refbase @ user @ |
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414 |
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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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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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no |
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1059 |
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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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509-543 |
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from Professor Hans Klingels Equine Reference List |
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1060 |
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Author |
Eisenmann V, G.C. |
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Title |
Morphologie fonctionelle et environnement chez les périssodactyles. |
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1984 |
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Geobios, Mém sp |
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8 |
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69 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1061 |
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Author |
Fagen Rm, G.T. |
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Title |
Play behavior and exercise in young ponies |
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Journal Article |
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Year |
1977 |
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Behav Ecol Sociobiol |
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2 |
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Pages |
267-269 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1077 |
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Author |
Green Nf, G.H. |
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Title |
The wild horse population.... |
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Journal Article |
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Year |
1977 |
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Proc National Wild Horse Forum |
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1 |
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59-65 |
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from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1125 |
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Author |
Grzimek M, G.B. |
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Title |
A study of the game of the Serengeti plains |
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Journal Article |
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Year |
1960 |
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Z Säugetierk |
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25 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1152 |
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Author |
Penzhorn Bl, G.R. |
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Title |
Incisor wear in free – ranging Cape mountain zebras |
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Journal Article |
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Year |
1987 |
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S Afr J Wildl Res |
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17 |
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99-102 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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1461 |
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Author |
Wells Sm, G.-R. |
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Title |
Social behaviour and relationship in a herd of Carmargue horses |
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Journal Article |
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1979 |
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Zeitschrift für Tierpsychologie |
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Z. Tierpsychol. |
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49 |
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363-380 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1700 |
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Author |
White, D.J.; Galef Jr, B.G. |
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Title |
Mate choice copying and conspecific cueing in Japanese quail,Coturnix coturnix japonica |
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Journal Article |
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Year |
1999 |
Publication |
Animal Behaviour. |
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Anim. Behav. |
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Volume |
57 |
Issue |
2 |
Pages |
465-473 |
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1811 |
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