News tagged with aggression

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Bonobos' unusual success story

Mate competition by males over females is common in many animal species. During mating season male testosterone levels rise, resulting in an increase in aggressive behavior and masculine features. Male bonobos, however, invest ...

dateJan 23, 2012 in Plants & Animals
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Bird song-sharing like verbal sparring

While singing the same songs as your neighbours may sound harmonious, research conducted at Queen's University Biological Station (QUBS) suggests that song-sharing amongst song sparrow populations is actually an aggressive ...

dateAug 10, 2011 in Plants & Animals
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