What breeding strategy is marked in the main Japanese populations of the *uguisu*?

Answer

Polygyny

The breeding structure in the main Japanese populations is marked by polygyny, where a single male mates with two or more females within his defended territory. The female alone handles nest building, incubation, and chick-rearing.

What breeding strategy is marked in the main Japanese populations of the *uguisu*?
birdendangeredJapanwarbler