A monograph of the Trochilidae, or family of humming-birds, London, Printed by Taylor and Francis, 1861 i.e. 1849-1861. Hummingbirds, Phaethornis pretrei, Planalto hermit, Two vibrantly colored hummingbirds are depicted mid-flight, gracefully hovering near lush green leaves. The birds, showcasing iridescent plumage with shades of emerald and gold, possess elongated, slender bodies and delicate, intricate wings that appear almost ethereal. The surrounding foliage is detailed, featuring large, curved leaves that provide a rich backdrop to the scene. The overall composition captures the dynamic beauty of nature, emphasizing the elegance and agility of these remarkable creatures as they navigate their verdant habitat.