Only two bluebird eggs hatched and only one survived beyond 3 days with the competition of the older cowbird chick getting most of the food.
(Only two bluebird eggs; hatched; ) (only one; survived; T:beyond 3 days) (the older cowbird chick; getting; most of the food)
Only two bluebird eggs only one the older cowbird chick
hatched survived getting
T:beyond 3 days
most of the food