Ebe obibi nwere ike na ọnọdụ nchekwa ha maka Swan Geese (Anser cygnoides) n'akụkụ East Asia Flyway.

Ụdị (Avian):Swan geese (Anser cygnoides)

Akwụkwọ akụkọ:Nhụta anya

Nkọwa:

Ebe obibi na-enye ohere dị mkpa maka nnụnụ ndị na-akwagharị akwagharị iji dị ndụ ma mụta nwa. Ịmata ebe ndị nwere ike ibi na usoro okirikiri kwa afọ yana ihe na-emetụta ha dị mkpa maka nchekwa n'akụkụ okporo ụzọ. N'ime ọmụmụ ihe a, anyị nwetara nleba anya satịlaịtị asatọ swan geese (Anser cygnoides) Wintering na Poyang Lake (28°57′4.2″, 116°21′53.36″) site na 2019 ruo 2020. N'iji ụdị nkesa ụdị Entropy kachasị, anyị nyochara ikesa ebe obibi nke swan geese n'oge usoro njem ha. Anyị tụlere ntinye aka dị iche iche nke gburugburu ebe obibi maka ịdị mma na ọnọdụ nchekwa maka ebe obibi ọ bụla nwere ike ime n'okporo ụzọ ofufe. Nsonaazụ anyị na-egosi na ebe a na-agbakarị oyi nke swan geese dị n'etiti na ala dị ala nke Osimiri Yangtze. A na-ekesa ebe nkwụsịtụ nke ọma, tumadi na Bohai rim, etiti etiti osimiri Yellow, na Northeast Plain, wee gbasaa n'ebe ọdịda anyanwụ ruo Mongolia Ime na Mongolia. Ebe a na-azụ ụmụ bụ na Mongolia dị n'ime na ọwụwa anyanwụ Mongolia, ebe ụfọdụ gbasasịrị na etiti na ọdịda anyanwụ Mongolia. Ọnụ ego ntinye aka nke isi ihe na-akpata gburugburu ebe obibi dị iche na ebe a na-amụ ihe, ebe nkwụsị, na ebe oyi. Mkpọda, elu, na okpomọkụ metụtakwara ogige ọmụmụ. Mkpọda, akara ukwu mmadụ, na okpomọkụ bụ isi ihe metụrụ ebe nkwụsịtụ aka. Ekpebiri ogige oge oyi site n'iji ala eme ihe, nrị elu, na oke mmiri ozuzo. Ọnọdụ nchekwa nke ebe obibi bụ 9.6% maka ogige ọmụmụ, 9.2% maka ogige oyi, yana 5.3% maka saịtị nkwụsị. Nchọcha anyị si otu a na-enye ntule zuru ụwa ọnụ maka nchekwa ebe obibi maka ụdị geese na East Asia Flyway.