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The cowbird can seem a rather comical creature with a slow, awkward walk and often upraised tail. Less (i)_____ is the cowbirds` habit of laying their eggs in the nests of other birds. The (ii)_____ nesters will usually accept the cowbird egg and raise the baby cowbird as their own. Unfortunately, cowbird eggs hatch sooner than the eggs of other species and the young cowbirds (iii)_____, using their size to their advantage in getting more food from the parents.
- grow quickly
- leave the nest
- share their food
amusing , unwitting , grow quickly 显示答案