. >> a lot of animals like to eat trees also known as anti-asian longhorn beetles.ten closely to that asian beetles. how did they get from asia to north america. some think they got here on boats carrying firewood. this is liken, right here, not part of the tree back, it's actually a plant growing on the tree bark. >> he's obviously found something he addition in school. >> -- something he digs in cool. >> he digs animals, nature, and he's 8-year-old. his sister started film because aiden wants to be zoologist. i love when she does the journalism thing and asks him question. >> how do you know this one is 19 years old. >> because all these circles are going into this spot. how many circles i count is how old this tree is. >> i love how when he makes a transition from one segment to another, he says let's move up the food chain. >> like all mixed together in a kid. >> ig the same exact thing. after she posted the video, aiden asked his sister to put it on the twitter. she put it on twitter and said my brother is an animal genius and wanted to share with you guys. it