Ants, Cataglyphis cursor, Use Precisely Directed Rescue Behavior to Free Entrapped Relatives
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{"title"=>"Ants, Cataglyphis cursor, use precisely directed rescue behavior to free entrapped relatives", "type"=>"journal", "authors"=>[{"first_name"=>"Elise", "last_name"=>"Nowbahari", "scopus_author_id"=>"6506697623"}, {"first_name"=>"Alexandra", "last_name"=>"Scohier", "scopus_author_id"=>"57199563122"}, {"first_name"=>"Jean Luc", "last_name"=>"Durand", "scopus_author_id"=>"7402878765"}, {"first_name"=>"Karen L.", "last_name"=>"Hollis", "scopus_author_id"=>"7003425699"}], "year"=>2009, "source"=>"PLoS ONE", "identifiers"=>{"scopus"=>"2-s2.0-68949155484", "sgr"=>"68949155484", "issn"=>"19326203", "doi"=>"10.1371/journal.pone.0006573", "pmid"=>"19672292", "isbn"=>"1932-6203", "pui"=>"355113827"}, "id"=>"1f1e1668-7c4e-35b9-8725-b57ab601d09b", "abstract"=>"Although helping behavior is ubiquitous throughout the animal kingdom, actual rescue activity is particularly rare. Nonetheless, here we report the first experimental evidence that ants, Cataglyphis cursor, use precisely directed rescue behavior to free entrapped victims; equally important, they carefully discriminate between individuals in distress, offering aid only to nestmates. Our experiments simulate a natural situation, which we often observed in the field when collecting Catagyphis ants, causing sand to collapse in the process. Using a novel experimental technique that binds victims experimentally, we observed the behavior of separate, randomly chosen groups of 5 C. cursor nestmates under one of six conditions. In five of these conditions, a test stimulus (the \"victim\") was ensnared with nylon thread and held partially beneath the sand. The test stimulus was either (1) an individual from the same colony; (2) an individual from a different colony of C cursor; (3) an ant from a different ant species; (4) a common prey item; or, (5) a motionless (chilled) nestmate. In the final condition, the test stimulus (6) consisted of the empty snare apparatus. Our results demonstrate that ants are able to recognize what, exactly, holds their relative in place and direct their behavior to that object, the snare, in particular. They begin by excavating sand, which exposes the nylon snare, transporting sand away from it, and then biting at the snare itself. Snare biting, a behavior never before reported in the literature, demonstrates that rescue behavior is far more sophisticated, exact and complexly organized than the simple forms of helping behavior already known, namely limb pulling and sand digging. That is, limb pulling and sand digging could be released directly by a chemical call for help and thus result from a very simple mechanism. However, it's difficult to see how this same releasing mechanism could guide rescuers to the precise location of the nylon thread, and enable them to target their bites to the thread itself.", "link"=>"http://www.mendeley.com/research/ants-cataglyphis-cursor-precisely-directed-rescue-behavior-free-entrapped-relatives", "reader_count"=>127, "reader_count_by_academic_status"=>{"Professor > Associate Professor"=>4, "Student > Doctoral Student"=>12, "Researcher"=>33, "Student > Ph. D. Student"=>25, "Student > Postgraduate"=>1, "Student > Master"=>17, "Other"=>6, "Student > Bachelor"=>15, "Lecturer > Senior Lecturer"=>1, "Professor"=>12, "Unspecified"=>1}, "reader_count_by_user_role"=>{"Professor > Associate Professor"=>4, "Student > Doctoral Student"=>12, "Researcher"=>33, "Student > Ph. D. Student"=>25, "Student > Postgraduate"=>1, "Student > Master"=>17, "Other"=>6, "Student > Bachelor"=>15, "Lecturer > Senior Lecturer"=>1, "Professor"=>12, "Unspecified"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>7, "Agricultural and Biological Sciences"=>74, "Philosophy"=>1, "Chemistry"=>1, "Computer Science"=>1, "Environmental Science"=>6, "Biochemistry, Genetics and Molecular Biology"=>2, "Medicine and Dentistry"=>1, "Neuroscience"=>5, "Physics and Astronomy"=>1, "Psychology"=>25, "Social Sciences"=>1, "Immunology and Microbiology"=>2}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>1}, "Social Sciences"=>{"Social Sciences"=>1}, "Physics and Astronomy"=>{"Physics and Astronomy"=>1}, "Psychology"=>{"Psychology"=>25}, "Unspecified"=>{"Unspecified"=>7}, "Environmental Science"=>{"Environmental Science"=>6}, "Chemistry"=>{"Chemistry"=>1}, "Neuroscience"=>{"Neuroscience"=>5}, "Immunology and Microbiology"=>{"Immunology and Microbiology"=>2}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>74}, "Computer Science"=>{"Computer Science"=>1}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>2}, "Philosophy"=>{"Philosophy"=>1}}, "reader_count_by_country"=>{"Colombia"=>1, "Hungary"=>1, "United States"=>4, "Japan"=>1, "United Kingdom"=>2, "Switzerland"=>1, "Canada"=>2, "Austria"=>1, "Sweden"=>1, "Finland"=>1, "Brazil"=>1, "Italy"=>2, "France"=>1, "Germany"=>6}, "group_count"=>3}

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  • {"files"=>["https://ndownloader.figshare.com/files/441535", "https://ndownloader.figshare.com/files/441580", "https://ndownloader.figshare.com/files/441620", "https://ndownloader.figshare.com/files/441657", "https://ndownloader.figshare.com/files/441943"], "description"=>"<div><p>Although helping behavior is ubiquitous throughout the animal kingdom, actual rescue activity is particularly rare. Nonetheless, here we report the first experimental evidence that ants, <em>Cataglyphis cursor</em>, use precisely directed rescue behavior to free entrapped victims; equally important, they carefully discriminate between individuals in distress, offering aid only to nestmates. Our experiments simulate a natural situation, which we often observed in the field when collecting <em>Catagyphis</em> ants, causing sand to collapse in the process. Using a novel experimental technique that binds victims experimentally, we observed the behavior of separate, randomly chosen groups of 5 <em>C. cursor</em> nestmates under one of six conditions. In five of these conditions, a test stimulus (the “victim”) was ensnared with nylon thread and held partially beneath the sand. The test stimulus was either (1) an individual from the same colony; (2) an individual from a different colony of <em>C cursor</em>; (3) an ant from a different ant species; (4) a common prey item; or, (5) a motionless (chilled) nestmate. In the final condition, the test stimulus (6) consisted of the empty snare apparatus. Our results demonstrate that ants are able to recognize what, exactly, holds their relative in place and direct their behavior to that object, the snare, in particular. They begin by excavating sand, which exposes the nylon snare, transporting sand away from it, and then biting at the snare itself. Snare biting, a behavior never before reported in the literature, demonstrates that rescue behavior is far more sophisticated, exact and complexly organized than the simple forms of helping behavior already known, namely limb pulling and sand digging. That is, limb pulling and sand digging could be released directly by a chemical call for help and thus result from a very simple mechanism. However, it's difficult to see how this same releasing mechanism could guide rescuers to the precise location of the nylon thread, and enable them to target their bites to the thread itself.</p></div>", "links"=>[], "tags"=>["directed", "entrapped", "relatives"], "article_id"=>147025, "categories"=>["Cancer", "Neuroscience"], "users"=>["Elise Nowbahari", "Alexandra Scohier", "Jean-Luc Durand", "Karen L. Hollis"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0006573.s001", "https://dx.doi.org/10.1371/journal.pone.0006573.s002", "https://dx.doi.org/10.1371/journal.pone.0006573.s003", "https://dx.doi.org/10.1371/journal.pone.0006573.s004", "https://dx.doi.org/10.1371/journal.pone.0006573.s005"], "stats"=>{"downloads"=>6, "page_views"=>16, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Ants_Cataglyphis_cursor_Use_Precisely_Directed_Rescue_Behavior_to_Free_Entrapped_Relatives/147025", "title"=>"Ants, <em>Cataglyphis cursor</em>, Use Precisely Directed Rescue Behavior to Free Entrapped Relatives", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2009-08-12 01:57:05"}

PMC Usage Stats | Further Information

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Relative Metric

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