Certain Night-Active Moths and Day-Active Birds Are Specialized Nectar Feeders

Certain night-active moths and day-active birds are specialized nectar feeders. How do these species coexist if they are using the same resource for food?

A) Because they both use the nectar, eventually one of the two species will need to move to a new area
B) They do not compete for the nectar because they feed at different times of the day
C) There is enough nectar to supply both the birds and the moths with their feeding needs
D) Eventually the niche breadth will increase and there will be less competition
E) None of the choices is correct