Several Warbler Species Are Able to Coexist in the Same

Several warbler species are able to coexist in the same forest because________.

A) they feed on the same larvae
B) season change within the forest causing certain species of the birds to fly south in the winter leaving more food for those that remain
C) the water they drink is the food source for the plankton they eat
D) different birds eat different larvae from the soil
E) they feed in different parts of the fir and spruce trees