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When pressure occurs within the flock, pecking can increase in aggression and escalate to cannibalism. [2] Cannibalism can occur as a consequence of feather pecking which has caused denuded areas and bleeding on a bird's skin. [3] Cannibalism can cause large mortality rates within the flock and large decreases in production due to the stress it ...
According to contemporary philosopher Nigel Warburton, for most of human history the dominant view has been that animals are there for humans to do with as they see fit. [2] Sociologist David Nibert emphasizes that the process of domestication dramatically increased the exploitation of animals by humans, particularly in Eurasia .
High energy and low fiber diets cause chickens to have increased activity levels and aggression, this may lead to toe-pecking and other pecking behaviours. A balanced diet for the type and age of bird you are rising is an important factor in their behaviour. This includes the availability of the food to the birds.
Shimmering behaviour of Apis dorsata (giant honeybees). A group of animals fleeing from a predator shows the nature of herd behavior, for example in 1971, in the oft-cited article "Geometry for the Selfish Herd", evolutionary biologist W. D. Hamilton asserted that each individual group member reduces the danger to itself by moving as close as possible to the center of the fleeing group.
Agonistic behaviour is a result of evolution, [5] and this can be studied in a number of species facing different environmental pressures. Though agonistic behaviours can be directly observed and studied in a laboratory setting, it is also important to understand these behaviours in a natural setting to fully comprehend how they have evolved and therefore differ under different selective ...
Ritualized aggression or ritualized fighting is when animals use a range of behaviours as posture or warning but without engaging in serious aggression or fighting, which would be expensive in terms of energy and the risk of injury. Ritualized aggression involves a graded series of behaviours or displays that include threatening gestures (such ...
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Isolated and domesticated llamas are more likely to have berserk llama syndrome. Berserk llama syndrome (usually shortened to BLS), aberrant behavior syndrome, or berserk male syndrome (as it is more pronounced in males) is a psychological condition experienced by human-raised camelids, particularly llamas and alpacas, that can cause them to exhibit dangerously aggressive behavior toward humans.