What animal is written in Dondero's poem "White hair floating green water, red palm stirring clear waves"?

In the Tang Dynasty, there was a poem "White hair floating green water, red palm clearing waves", which was about wild geese.

Ode to the Goose

White swan, white swan, bend your neck and breathe fire into the sky.

White feathers, floating in green water; The red soles of the feet stir the clear water.

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"Goose! Goose! Goose! "

Facing the blue sky, a flock of geese are singing with their necks bent.

Snow-white feathers float on the green water, and the red soles of the feet paddle like boat oars.

Ode to Goose is a five-character ancient poem written by Luo Qi, a poet in the early Tang Dynasty. The poem begins with a voice, "Goose! Goose! Goose! " Write about the beauty of goose's sound, and through the comparison between Quxiang and Tian Xiang, White Hair and Green Water, Anthurium and Qingbo, write about the beauty of goose's lines and colors. At the same time, the words "Song", "Floating" and "Dial" also describe the dynamic beauty, hearing and vision, static and dynamic, and sound of geese.