Core Viewpoint - The articles highlight the artistic representation of birds in Chinese painting, emphasizing the relationship between birds, their environment, and seasonal changes, showcasing the skill and observation of Song Dynasty artists [2][3][4]. Group 1: Artistic Representation - The poem "Two Yellow Orioles Sing in the Green Willows" reflects the beauty of bird songs and their graceful postures, particularly focusing on the yellow oriole as a summer visitor in China [2]. - The painting "Sangzhi Huangniao Tu" depicts a yellow oriole feeding on mulberries, illustrating the realistic style and artistic pursuit of the Song Dynasty [2]. - The artwork "Pipa Shoudai Tu" by Xu Chongsi features a rare white male long-tailed shrike, symbolizing longevity, and captures the essence of the bird's breeding season coinciding with the ripening of loquats [2]. Group 2: Detailed Observations - Lin Chun's "Pipa Mountain Bird Map" captures the dark green eye bird, showcasing its delicate song and behavior as it interacts with its environment, particularly focusing on its observation of an ant on a loquat [3]. - The "Peach Branch Double Sparrow Map" illustrates two white-browed bush warblers, highlighting their preference for insects over fruits during the breeding season [3]. - Zhao Ji's "Xiesheng Zhenqin Tu" features 11 bird species, including the song thrush, emphasizing the connection between birds and seasonal flora, particularly the pomegranate flowers [3][4]. Group 3: Artistic Philosophy - The paintings not only depict birds realistically but also reflect the relationship between birds and their environment, seasons, and food sources, showcasing the sincerity of Song Dynasty artists [4].