Tag Archives | adaptation

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Baits failing as cockroaches adapt to dislike sugar

Sugar is losing its attraction for roaches and making baits less effective, say scientists who have been investigating the genetic adaptations that are causing cockroaches to increasingly reject glucose. In a study in the journal Science, North Carolina State University entomologists say the aversion has a genetic basis and it eventually spreads to offspring, resulting […]

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Fish frequent flyers




A new Northern Arizona University study into how fish behave when stranded on land suggests that excursions onto dry land may be a much more frequent event than previously thought. The research, which has significant implications for the field of evolutionary biology, appears in JEZ A: Ecological Genetics and Physiology. The study began by looking […]




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Squirrels Use Snake Eau de Cologne




Animal behaviorists have observed California ground squirrels and rock squirrels chewing up rattlesnake skin and smearing it on their fur to mask their scent from predators. Reporting their observations in the journal Animal Behavior, the researchers noted that adult female squirrels and juveniles apply snake scent more often than adult males, which are less vulnerable […]




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