“The spiders searched the part of the web where the cricket had been—the sheet or the lines—which indicated a memory of prey location. And when Sergi stole prey from the gumfooted lines, the spiders made more searches for prey that was especially large relative to themselves.”
“From the perch atop the viewing tower, the spiders carefully surveyed the scene before descending the tower and climbing up a walkway. Most [Portia jumping] spiders chose the path that led to the meal, even if this meant moving away from the prey and passing the incorrect walkway on the way.”