The poem "To His Horse" exemplifies Romanticism by highlighting feelings, imagination, and the natural world. Similar to Byron, Shelley, and Keats, Heredia composes an ode. In this poem, the speaker expresses admiration for his horse's power, grace, and stamina. Phrases like "Friend of my hours of melancholy gloom" infuse the poem with profound emotions, while Heredia also underscores the bond the narrator shares with his horse and his anxiety about mortality. Mentions of a bare landscape and wind further emphasize nature, a key theme in Romantic literature.