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It's got to be because optical mirrors are relatively easy to produce and field, and it's obvious that it presents a duplicate. I would be interested in designs for a 'sound mirror' that doesn't just look like a wall under echolocation. Maybe a system to dynamically reproduce a 'sound hologram' of the bat? A 'scent mirror' would be really difficult to ...


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Mimicry, in biology, phenomenon characterized by the superficial resemblance of two or more organisms that are not closely related taxonomically. This resemblance confers an advantage—such as protection from predation—upon one or both organisms through some form of “information flow” that passes between the organisms and the animate agent of selection. This ...


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Here are my thoughts. An animal does not chose to emit some light while they have more control over other signals they emit and may likely just not emit it. So it would not be an easy trait to study. More importantly, animals (almost) always receive feedback for signals they emit. When a dog barks, it can hear itself! Animals are not used to receive ...


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When I attempted a search, Google returned an autocomplete for the search. The first hit linked to a peer-reviewed article of snakes losing heart muscle during starvation.


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Humans and other animals have lots of innate behaviors that are not learned from observation, i.e. behaviors that are hard-wired into our nervous system, and this is one of them. Suckling reflexes in mammals and the Moro reflex is human babies (which we grow out of) are other simple examples. The stretching behaviours you are referring to are usually ...



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