Researchers say this is probably to reduce investment in what they call 'inviable females.

研究者认为这也许是为了减少在“不能正常发育的雌鸟”上的投入。

youdao

Researchers say this is probably to reduce investment in what they call 'inviable females.

研究者认为这也许是为了减少在“不能正常发育的雌鸟”上的投入。

youdao