Nevermore, or Tomorrow? Ravens Can Plan Ahead - Scientific American
" We have long known that ravens are no birdbrains. They have been spotted caching food for later, gathering string to pull up hanging food and even trying to deceive one another. A study published today in Science adds an especially impressive twist: Ravens can plan for future needs that they never encounter in nature, suggesting intelligence may arise predictably from conditions that occurred multiple times across the tree of life. ..." http://buff.ly/2ulid2k via Buffer