Such complex adaptive behavior is hard to reconcile with an organism that has such a tiny brain , but some jumping spiders , in particular some species of Portia , can negotiate long detours from one bush down to the ground , then up the stem of another bush to capture a prey item on a particular leaf .
Some spiders in species of Portia can take long detours from one bush down to the ground , then up the stem of another bush to capture a prey item on a particular leaf .