The first thing I will tell you about is the diet. The hummingbird really doesn't have a very wide range of food to eat. The Costa Hummingbird mostly eats nectar from flowers and small insects. Often will visit desert natives such as agave, chuparosa, desert honeysuckle, and fairy duster. This is the diet of a Costa Hummingbird. Not really much but it keeps them alive at least.
Now let's talk about their appearance, which is kind of a bit. This species is pretty small. A mature adult grows to only be around