Marine mammals (Dolphins, Whales)

Comparison of Antenna and Whisker Functions in Different Environments

Animals and insects use whiskers and antennae for orientation, foraging, stalking prey, finding mates, and fighting. This article explores the function of whiskers and antennae in different environments and species. Rats use a whisking motion to contact surfaces and gather sensory information regarding object shapes and textures. Kinetic motion generated…

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Chemical Mechanisms of Resonating Devices in Animals for Communication and Information Reception

Acoustic resonance is a highly effective method of communication and information reception in the animal kingdom, pervasively employed by creatures as small as the 4mm Nuctenea sclopetaria spider and as large as  the colossal Orcinus orca (killer whale). Resonance is often achieved either via specialized organs or an extended phenotype.…

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Design, Purpose and Specificity of the Narwhal’s Tusk

Abstract The narwhal’s tusk is a fascinating organ as it has the composition of a tooth but very different properties, in particular its ability to grow in a straight line. To understand the design mechanism allowing this particular feature, we will first present the composition, function and properties of the

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