孵化後まもないヒナは、産毛が濡れていますが、２時間もすると乾いてフワフワになります。
The down of chicks that have just hatched is damp, but after two hours it dries out and becomes fluffy.
Nguồn: tatoeba
The down of chicks that have just hatched is damp, but after two hours it dries out and becomes fluffy.
Nguồn: tatoeba