How does the general size of a cuckoo queen usually compare to the females of the species she targets?

Answer

She is generally larger and more robust

Cuckoo queens are usually larger and possess greater physical strength than the host females. This size difference is necessary for successfully engaging in the aggressive confrontation required to take over the host nest.

How does the general size of a cuckoo queen usually compare to the females of the species she targets?
behaviorbumblebeecuckoo