A species of pirate spider in Costa Rica has a novel searching technique: It assaults different spiders that use its silk traces as scaffolding for their very own webs.
Many spiders construct webs to snare prey, however their internet design and goal can fluctuate broadly relying on the place they reside and what they hunt. Some webs are flat sheets, whereas others kind tube-like funnels or spiralling orbs. Other species forgo web-building altogether, and as an alternative chase down or ambush prey. …
Source: www.newscientist.com