Laying hens do not discriminate between video images of conspecifics
Article Abstract:
The domestic hens, Gallus gallus domesticus, fail to differentiate between video images of known flockmates and unknown birds. However, they start feeding faster near images with hens in normal postures as compared to those with hens in aggressive postures. The birds initially move along with the hens in the images and even peck at the images. Later they approach the screen more readily. The hens discriminate between videos in which hens are present and the ones which do not contain hens. 1**Video images act as a stimuli for social recognition in domestic hens, Gallus gallus domesticus. Hens started feeding faster near flockmates than unfamiliar conspecifics and discriminate between dominant and subordinate flockmates. Agonistic interactions result from encounters with unfamiliar hens. The aggression declines during peck order formation and is replaced by rank formation. Hens discriminate between videos in which hens are present and the ones which do not contain hens.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1996
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The maternal feeding display of domestic hens is sensitive to perceived chick error
Article Abstract:
A study was conducted to determine whether animals teaching proper behavior were sensitive to the errors of their offspring. Several domestic hens and their chicks were given food color which were both palatable and unpalatable. Results showed that hens increased their rate of ground pecking and scratching whenever the unpalatable food was present. The results suggest that the hens' frenzied behavior is aimed at pointing the chicks to the palatable food.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1996
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Food allocation in crimson rosella broods: parents differ in their responses to chick hunger
Article Abstract:
Research describing hunger manipulation in both an entire brood of crimson rosellas and individual last- or first-hatched chicks is presented. The discrimination of both father and mother towards feeding is discussed.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 2000
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