Courtship will include display in which the male fluff up his feather.
Courtship will include display in which the male fluff up his feather.
鸟儿求偶的表现包括雄鸟抖松羽毛的炫耀行为。
Courtship will include display in which the male fluff up his feather.
鸟儿求偶的表现包括雄鸟抖松羽毛的炫耀行为。