Ascientist wants to study the interactions of different birds in the southern part of a desert. what should the scientist to first?

A scientist wants to study the interactions of different birds in the southern part of a desert. The scientist should identify the local names of the birds, and then identify each bird species by using a dichotomous key. The dichotomous key will help him identify the name of the specimen. Next, identify and the foods each bird eats, then determine the bird's patterns of migration.

They use the si unit, or metric system its all the same thing