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Would the organism generalize the pecking behavior in response to a purple key?
In that research, pigeons pecked response keys in order to obtain food.
Drinking milk from a bottle where the top had been pecked by a bird was not statistically significant but there were very few subjects exposed.
However, they continue to discriminate, as shown by pecking at control beads of other colours.
The other birds get the water, and ever since then the woodpecker has been pecking at things.
Also, like battery chickens they also have their beaks removed to prevent them bullying and pecking other chickens.
We suggest that this mechanism may be very important in the ontogeny of the adult pecking response in doves.
Chickens are pecked by their social superiors in order to maintain a rigid status quo within the flock.
They suggest that perceptual mechanisms specific to each system develop gradually out of exploratory pecking on the basis of functional experience.
Frontal threatening starts to occur, and by the age of 3 weeks, pecking and kicking are added to aggressive interactions.
We have used two approaches to identify the cellular sequelae of pecking the bitter bead.
At an earlier time the pigeon begins a pattern of behavior, such as rapidly pecking a fixed number of times on a lit button.
Pairings of the keylight with food resulted in the pigeons approaching and pecking the key light rather than going to the food hopper to eat.
Pecks on incorrect keys resulted in a 5-s time-out during which the shutter was closed and key pecks were ineffective.
The pecking order of free radicals and antioxidants: lipid peroxidation, a-tocopherol and ascorbate.
