Two different species of birds live on an island, The red birds have short, very strong beaks and the blue birds have long, weaker beaks. These birds have different food sources that help to sustain their populations, the red birds eat seeds that have hard shells and the blue birds tend to eat insects and small seeds. Yellow birds with medium sized beaks migrated to the island and mainly feed on small seeds, what is most likely to happen to the bird populations?

The red bird population
will decrease

The blue bird population will decrease

Both bird population will decrease

Neither bird populations will be affected