my uncle studied agriculture stuff at uni and became sort of a forest ranger, he lived in middle of the forest and had to monitor the animals and plants. basically he had to count how many ants live in a colony and stuff like that, since a large forests are one big ecosystem with many moving parts. he got promoted years ago and left "active duty" for a desk job but he still is the guy everyone in our family texts photos of trees to ask 'hey is this tree healthy' or 'do you know the name of this tree?'. and he always knows