T-maze behaviour in domestic chicks: a search for underlying variables
Article Abstract:
Domestic chicks, Gallus gallus domesticus, able to traverse a T maze rapidly at two days old maintain closer social proximity than chicks who traverse the T maze slowly, irrespective of the time of day at which observations are made. Chicks identified as high performers in the T maze had a nonsignificant tendency to leave the start box of the runway sooner than low performing chicks. Each group of chicks showed similar levels of resting, ambulation, drinking, feeding, preening and pecking at the environment at five days old. This indicates that the contrasting behaviour shown in the T maze at two days old does not reflect underlying differences in general ability levels or in locomotor skills.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1999
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Alarm calls and chick reaction: comments on Kleindorfer et al. (1996)
Article Abstract:
Two serious errors are committed in the study of alarm calling by parents and the reaction of nestlings in Acrocephalus melanopogon or moustached warbler. These errors consist of pseudoreplication and poor control of confounding variables, the latter of which include nest site, the period in the breeding season, and year. The statistical test employed in the study is designed for independent variables. Pseudoreplication may seriously bias the computation.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1998
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Effect of experience of occlusion events on the domestic chick's strategy for locating a concealed imprinting object
Article Abstract:
Domestic chicks were tested with a task involving an imprinting object. It was proposed that the chicks would search behind whichever hiding site the object was moving towards before occlusion.A sensitive period of learning about occlusion events leading to qualitative changes in the strategy for locating concealed objects, was also predicted.It is concluded that orientation towards the concealed object is based on previous spatial location alone.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1999
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