- Hummingbirds: With their exceptional hovering abilities, long thin bills, and rapid wing beats, hummingbirds are highly adapted for nectar feeding. They visit a wide range of flowering plants, sip nectar, and pollinate them in the process.
- Sunbirds: These lively birds are abundant in tropical regions. Sunbirds have long, slender beaks and a colorful plumage, and they frequently visit flowers to feed on nectar.
- Honeycreepers: As the name suggests, honeycreepers are known for their preference for nectar. These tropical birds have curved bills and various adaptations for extracting nectar from different types of flowers.
- Dicaeums: These small birds are found in tropical regions of Africa, Asia, and Australia. They have short beaks and feed primarily on fruits, but they are also known to visit flowers to sip nectar.
- Flowerpeckers: These small, brightly colored birds are common in tropical Asia. Flowerpeckers have short, robust bills that are well-suited for accessing nectar from flowers.
- Loriini: This group includes lorikeets, lorries, and parrots with specialized nectar-feeding adaptations such as a brush-tipped tongue or a long, curved beak.
- Sugarbirds: These small birds are found in the Americas. They have short, pointed bills and are particularly fond of nectar from flowers.
These birds are all equipped with physical adaptations, such as long, thin beaks, that allow them to efficiently drink nectar from flowers. They play a vital role in pollination as they move between different plants transferring pollen and aiding in plant reproduction.