Bersuara panggilan nyaring, berupa siulan berulang yang khas. Escapee : Exotic species known or suspected to be escaped or released, including those that have bred but don't yet fulfill the criteria for Provisional. Exotic species. The content available on our site is the result of the daily efforts of our editors. Top photos View all. Warna paruh bervariasi di sepanjang wilayah distribusinya: gelap di Cina tengah dan timur serta sebagian daratan utama Asia Tenggara, kuning cerah di populasi lain. Change species.
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