naHan Yan,Xuejun Ma,Weikang Yang, naFeng Xu
Zvisikwa(chiremwaremwa): whooper swans Abstract: Kusarudzwa kweHabitat kwave kuri kutarisisa kwezvipenyu zvemhuka, netsvakiridzo yakanangana nesarudzo yenzvimbo, mashandisiro, uye ongororo. Zvakadaro, zvidzidzo zvakaganhurirwa pachikero chimwe kazhinji kazhinji zvinotadza kuburitsa pachena zvinodiwa pakusarudza pekugara kwemhuka zvizere ...