... the species of birds
can be seen in Woodchuck County ...
... eight kinds of birds
This list reports eight kinds of birds.
It can be explainedThe possible reason of this is that they are the original birds inoriginally from Woodchuck County, so they are not not be the migratory birds.
..., mockingbirds, orioles, and vireos are
discoveredobserved only in only summer.
... are the migratory birds
. Inwhich duringthe summer, they migrate to Woodchuck forin order to spend breeding seasons ... There is only juncos living here in the winter.Juncos is the only species living here during the winter.
Perhaps they adapted themselves with the cold conditions ...