In! Up! Out! Over! Despite the simplicity of these words, they play a prominent role in a child's ability to organize thoughts and follow instructions in order. Given that birds’ song learning has been proposed as a model system for human language acquisition, my study tests whether birds can also be models for studies of sequential learning through the concept of order with the use of the preposition “in”. In my study, I present them with two different stacks of colored cups and state which order they should select (“Pick blue IN yellow”, and thus ignore “yellow in blue”). The results are encouraging and the study is continuing with both birds.