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Anti-predator adaptations are mechanisms developed through evolution that assist prey organisms in their constant struggle against predators. Throughout the animal kingdom, adaptations have evolved for every stage of this struggle, namely by avoiding detection, warding off attack, fighting back, or escaping when caught.
Mimicry is a form of defense which describes when a species resembles another recognized by natural enemies, giving it protection against predators. [2] The resemblance among mimics does not denote common ancestry. Mimicry works if and only if predators are able to learn from eating distasteful species.
Aposematism is the advertising by an animal, whether terrestrial or marine, to potential predators that it is not worth attacking or eating. [1] This unprofitability may consist of any defenses which make the prey difficult to kill and eat, such as toxicity, venom , foul taste or smell, sharp spines, or aggressive nature.
When you think of “gory” animals, creatures like great white sharks, tigers, and vampire bats might come to mind. But the most gruesome defense mechanism of any animal belongs to something ...
Armor or armour in animals is a rigid cuticle or exoskeleton that provides exterior protection against attack by predators, [1] formed as part of the body (rather than the behavioural utilization of external objects for protection) usually through the thickening and hardening of superficial tissues, outgrowths or skin secretions.
A bird that uses liquid projectiles in defense is the southern giant petrel which produces a stomach oil made up of wax esters and triglycerides that are stored in the proventriculus and can be projectile vomited on predators. Other petrels such as the fulmar can also squirt oils from their mouths as a defense. They can squirt oils with ...
Note: Some topics in this category are adaptations of both predators and prey (e.g. crypsis), so also appear in the parent category predation Subcategories This category has the following 3 subcategories, out of 3 total.
In many cases, spines are a defense mechanism that help protect the animal against potential predators. Because spines are sharp, they can puncture skin and inflict pain and damage which may cause the predator to avoid that species from that point on. The spine of some animals are capable of injecting venom. In the case of some large species of ...