I'd personally say that the phrase "genius" With this context is getting used being an adjective, which It's not at all - the adjective kind is "ingenious". "Boy genius" is idiomatically preferable, as indicated elsewhere. Include some perches and nesting resources to supply a sense of security and familiarity. Also, https://gunnermruwa.blog-ezine.com/36724843/where-to-find-secret-crows-in-the-genius-crow-things-to-know-before-you-buy