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- There are three strategies for fooling predators;
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- 1. To mimic a species that is distasteful or threatening to a predator.
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- 2. To camouflage, blending into the background.
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- 3. To use deceptive behavior whenever a predator is about to attack.
Mimicry
- To look, act, smell or sound like something else, such as another
organism or other natural object, it is a form of deception practiced by a variety of animals,
to gain some advantage of protections. For many animals, including insects
and spiders, a key problem is how to eat without being eaten. By mimicking something else, they
gain some protection and increase their chances of survival.
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- In the Insects and Spiders world, the term mimicry is commonly applied to the resemblance of one insect
or spider (called the mimic) to another (called the model) so that a third insect or other observer is deceived into confusing the two.
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- Comparing mimicry with camouflage or deceptive behavior, animals that are protected by
mimicry are the most cost effective. They do not have to change their behavior or stay against a safe background to disguise themselves.
Their appearance tell their predator to keep away. They can go about their daily
life with extra protections.
There are
different types of mimicry;
- Batesian Mimicry
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- Batesian mimicry involves a palatable, unprotected species
(the mimic) that closely resembles an unpalatable or protected species
(the model). One example is this fly which looks like a bee. Birds know
not to attack a bee as they will be stung.
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- Mullerian Mimicry
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- In Mullerian mimicry, the model is not defined
and several unpalatable species share warning colors or patterns to
evade predation. Both models and mimics are toxic. Several species from several different orders may comprise a mimicry complex. The
advantage is that the predators need only encounter one form to shun
the entire complex.
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- Wasmannian Mimicry
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- Wasmannian Mimicry is when the mimic resembles it's host (the model) in
order to live within the same nest or structure. For example, several jumping
spiders closely resemble ants. In order to get "lost in the crowd" and thus
avoid predators.
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- Peckhamian mimicry
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- This is also known as aggressive mimicry, in which the model is the prey of
the mimic. The predator mimics its prey to
capture it. The most known example is Bird-dropping Spider. This spider
hunts definite species of moths. The spider has specific glands on
the abdomen which produce analogous of moths’ pheromones.
Moth males allured by the pheromone fly towards the spider.
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Camouflage
- To look, act, smell or sound such that it blend in with their surroundings.
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- Followings are some examples of visual camouflage. All the hiding
insects/spiders are at (or near) the centre of the pictures. Check how much
time your need to find out what they are. It is easier to click on the
images and look at the larger size pictures.
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Deceptive
Behavior
- To display unusually pattern, which is weir to the predator, includes
colour, pattern, sound, chemical (smell), to increase their chances of
escape and survival.
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- In some cases, frightening eyespots or bright colour markings appear, particularly on the
under-wings of Moths and Butterflies. Birds encountering these prey are startled and jump back, which may give the prey a chance to escape. Here, the effect seems to be a kind of mimicry of the sudden nasty shock that a predator's own predator might give it.
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- The katydid was slow moving and seems can not jump like other katydid.
When disturbed, it drop onto the ground and displayed it colour-banded
abdomen.
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- Followings pages are the details of examples about Mimicry, Camouflage and
Deceptive Behavior.
[ Warnings ] [ Ants Mimicry ] [ Wasps Mimicry ] [ Black Wasps Mimicry ] [ Bees Mimicry ] [ Lycid Mimicry ] [ Jumping Spider Mimicry ] [ Self Mimicry ] [ Bird-dropping Mimicking ] [ Behaviour Mimicry ] [ Threaten Sign ] [ Mimicry in Butterfly ] [ Camouflage Master ] [ Eyes Pattern ]
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