If cowbird eggs are included in an oropendola nest in the open woodlands of Central America, what
would be the expected outcome?
a. The cowbird eggs would be ejected from the nest to eliminate the competition.
b. The cowbird eggs would be ejected from the nest due to a reaction of the mother bird's
immune system.
c. The cowbird eggs would not be ejected from the nest because they provide an additional
food source.
d. The cowbird eggs would not be ejected from the nest because they provide protection
from large predators.
e. The cowbird eggs would not be ejected from the nest because they provide protection
from parasites.
E
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