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Spiders that spin webs typically have three claws, the middle one being small; hunting spiders typically have only two claws. Since they do not have antennae, spiders use specialised and sensitive setae on their legs to pick up scent, sounds, vibrations and air currents. [6] Some spiders, such as the Australian crab spider, do not have claws.
Leucorchestris arenicola, commonly called the dancing white lady spider, is a huntsman spider in the family Sparassidae and genus Leucorchestris. It is commonly found in the Namib desert of Namibia .
Echolocating bats use echolocation to navigate and forage, often in total darkness. They generally emerge from their roosts in caves, attics, or trees at dusk and hunt for insects into the night. Using echolocation, bats can determine how far away an object is, the object's size, shape and density, and the direction (if any) that an object is ...
A spider could also simply climb into someone's mouth. But Rod Crawford, arachnid curator at the Burke Museum, said "spiders probably find sleeping humans terrifying" because we "create vibrations ...
Bolas: Bolas spiders are unusual orb-weaver spiders that do not spin the webs. Instead, they hunt by using a sticky 'capture blob' of silk on the end of a line, known as a ' bolas '. By swinging the bolas at flying male moths or moth flies nearby, the spider may snag its prey rather like a fisherman snagging a fish on a hook.
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A camper woke up to hundreds of daddy longlegs crawling across their tent, video shared on 1 November by an Alaska national park shows. The spectacle is called an “aggregation,” Lake Clark ...
Echolocation involves emitting sounds and interpreting the vibrations that return from objects. [71] In bats, echolocation also serves the purpose of mapping their environment. They are capable of recognizing a space they have been in before without any visible light because they can memorize patterns in the feedback they get from echolocation ...