You are a population ecologist studying animals in a national park, and your government is asking for advice on how to focus its limited conservation funds. How would you rate the following three species, from most vulnerable to least vulnerable? Give reasons for your choices. A bird with an even sex ratio that is a habitat generalist.

A salamander endemic to the park that lives in high-elevation forest.

A fish that specializes on a few types of invertebrate prey and has a high population size.