30points if help pls help.The eastern bluebird is a fruit- and insect-eating bird that can be found throughout the eastern United States from Florida to Maine. Bluebirds are commonly seen year-round in Florida. In Maine, bluebirds are usually seen from April through September only. Which of these is the most likely reason that bluebirds are seen year-round in Florida, but only part of the year in Maine?


a.Other bird species move the bluebirds out of Maine for part of the year.


b.There are fewer predators of bluebirds year-round in Florida than in Maine.


c.Food for bluebirds is available year-round in Florida and only part of the year in Maine.


d.Bluebirds are able to find better areas to hide in the part of the year they are not seen in Maine.