In nests across North America,the host mother tries to identify their own eggs and weed out the fakes, but the brown-headed cowbird – a brood parasite that sneaks its eggs into other birds’ nests – produces eggs that look very similar to those of the host, making that task surprisingly difficult.
1. The pronouns should match the subject 2.the pronouns should have valid referents.
A.the host mother tries to identify their own eggs and weed out the fakes, but the brown-headed cowbird –
...
1. The pronouns should match the subject 2.the pronouns should have valid referents.
A.the host mother tries to identify their own eggs and weed out the fakes, but the brown-headed cowbird –
...





