Tree kangaroos sghould be saved because whatever eats tree kangaroos wont have lots to eat and they will be losing food and they would have less food to eat.
That is a very difficult question. Due to the lack of predators on Kangaroo Island, there is now a koala overpopulation problem on the island. The problem is, there are issues with relocating koalas...
Whether or not the kangaroo paw is in a poor drainage are or good drainage area, limit the watering to only when the soil around the plant is dry. Kangaroo paws do not like continuous wet soil.