we've featured dayvon before. news 4's barbara harrison reintroduces us to him. >> wow what do you think? >> mamma mia. >> they are big, huh? as big as you were expecting? >> yes. >> maybe bigger. >> reporter: at 13 dayvon is fascinated by dinosaurs. his questions impressed a specialist at the museum of natural history. he showed how they reconstruct the dinosaur from bones like this. >> that's the kind of clues that you look at. >> i have a question. how do you get the bones together once you find the fossils? >> that's a good question. >> when did he first realize his interest in these prehistoric creatures. >> i was in second grade and i read a book about lots of different dinosaurs and i decided i should become a paleontologist when i grow up. >> reporter: he says he's working hard in school. >> a b, cs. but mostly as. >> david is a very social, very charismatic, curious young man. >> reporter: his social worker says he would do very well in an adoptive home. >> what he needs is a lot of support, love and a pe