To get you thinking about birds like scientists think about birds, the first thing we're going to do is learn some scientific vocabulary, words to talk about birds scientifically. The vocabulary comparison will give you a chance to see how scientists organize words using glossaries; glossaries are important in science because they help clarify how we talk and write about what we observe.
The Birds in Flight reading exercise provides an overview of the process that scientists use to understand the history of our knowledge about birds.