A drumming cockatoo, basking sharks and flamingos are among this week’s pick of images from the natural world
These images, honored in Nikon’s annual Small World photo competition, are reminders of the colorful wonders invisible to the naked eye.
Discover the photo 'Chamois' by Benjamin Wende on 500px. Explore more stunning photography and get inspired today.
Ethical, moral, responsible concerns clouded by financial, operational aims
Description Einstein of the arthropod world... Taken in Singapore at night Check out this video from BBC. @6:30 [link] Quote [link] Portia is a genus of jumping spider which feeds on other spiders (araneophagic). They are remarkable for their intelligent hunting behaviour which suggests they are capable of learning and problem solving, traits normally attributed to much larger animals. Portias often hunt in ways that seem intelligent. Their favorite prey appears to be web-building spiders between 10% and 200% of the Portia’s size. Portias look like leaf detritus caught in a web, and this is often enough to fool web-building spiders, which have poor eyesight. When stalking web-building spiders, Portias try to make different patterns of vibrations in the web that aggressively mimic the struggle of a trapped insect or the courtship signals of a male spider, repeating any pattern that induces the intended prey to move towards the Portia. Portia fimbriata has been observed to perform vibratory behavior for three days until the victim decided to investigate. They time invasions of webs to coincide with light breezes that blur the vibrations their approach causes in the target's web; and they back off if the intended victim responds belligerently. Portias that retreat may approach along an overhanging twig or rock, descend down a silk thread and kill the prey. Other jumping spiders take detours, but Portia is unusual in its readiness to use long detours that break visual contact. Laboratory studies show that Portia learns very quickly how to overcome web-building spiders that neither it nor its ancestors would have met in the wild. Portia’s accurate visual recognition of potential prey is an important part of its hunting tactics. For example in one part of the Philippines local Portia spiders attack from the rear against the very dangerous spitting spiders, which themselves hunt jumping spiders. This appears to be an instinctive behavior, as laboratory-reared Portias of this species do this the first time they encounter a spitting spider. On the other hand they will use a head-on approach against spitting spiders that are carrying eggs. However, experiments that pitted Portias against "convincing" artificial spiders with arbitrary but consistent behavior patterns showed that Portia’s instinctive tactics are only starting points for a trial-and-error approach from which these spiders learn very quickly. Nonetheless, they seem to be relatively slow "thinkers", as they solve tactical problems by using brains vastly smaller than mammalian predators'. Against other jumping spiders, which also have excellent vision, Portias may mimic fragments of leaf litter detritus. When close to biting range, Portias use different combat tactics against different prey spiders. On the other hand they simply stalk and rush unarmed prey such as flies, and also capture prey by means of sticky webs.
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L'été est synonyme de vacances et de repos, mais comme vous le savez le digital ne dort jamais. Je vous propose un retour sur les sites marquants de ce mois d'août 2013.
These multipurpose or all-purpose WordPress themes can be used to create an amazing website for any type of business or organization.
Discover Mark Lawrence Design, where 20 years of expertise in online retail and tech meet award-winning design. Explore how Mark has worked with major brands like Amazon and excels in creating modern web experiences and impactful rebrands.
Animal Jam Phantom
Explore the untamed world of the "Wild Web" with this unique design featuring pixelated dinosaurs like the mighty tyrannosaurus rex, soaring pterodactyls, and rugged cacti. Let your imagination roam free with this digital safari that captures the essence of the wild and prehistoric. Ideal for those who love a blend of technology and ancient wonders. Unleash the wild side with a touch of pixel perfection!
Download this Free PSD File about World wild life day web template, and discover more than 2 Million Professional Graphic Resources on Freepik
We've compiled a list of weird animal behaviors we've amassed from the wild world web!
A graphic design showing 8 common, wild, edible plants that can be found throughout the world. This is a mini guide to collecting and cooking burdock, clover, cattail, dandelion, prickly pear, purslane, wood sorrel, and chickweed on your next hike. There are also common medicinal uses and nutrients listed for each plant. This poster is printable at 8.5 by 11 inches. Graphic design by Stephanie Abdul of Clever Fox Web Design.
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