The birds are male and female, and the spring thunder is stinging. The birds are male and female, and the spring thunder is stinging. The birds are male and female, and the spring thunder is stinging. The birds are male and female, and the spring thunder is stinging. The birds are male and female, and the spring thunder is stinging. The birds are male and female, and the spring thunder is stinging. The birds are male and female, and the spring thunder is stinging. The birds are male and female, and the spring thunder is stinging. The birds are male and female, and the spring thunder is stinging. The birds are male and female, and the spring thunder is stinging.