Hummingbirds come in various colors and sizes. Look for unique markings on their feathers and note their size and shape to distinguish between species.
Pay attention to the hummingbird's beak shape and length. Different species have varying beak sizes and shapes adapted for specific types of flowers.
Observe the hummingbird's behavior and flight patterns. Some species hover more frequently, while others dart quickly from flower to flower.
Listen to the sounds they make. Each hummingbird species has a distinct vocalization that can help in identifying them, especially in dense foliage.
Study the geographic location. Certain hummingbird species are only found in specific regions, so knowing where you are can narrow down the possibilities.
Use field guides and online resources to compare features and markings. Take notes and photographs to aid in the identification process.