Examples of peck

• 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.