Sunbirds have a habit of eating mainly flower nectar, which is their main food source. In addition, they can also eat fruits and small insects in some cases.
Grouping is common in sunbirds. They often appear in pairs or small groups. Some species can gather in large flocks to search for food or defend territory from other competitors.

The breeding behavior of sunbirds usually takes place in the rainy season, when there are many food sources to ensure the development of their young. Sunbird nests are often built as small baskets hung from tree branches or foliage. Most species of sunbirds have nests built by females, while males are responsible for assisting in raising their young. Both male and female birds take turns incubating eggs in the nest.
Regarding migratory behavior, most sunbirds can migrate seasonally or over short distances, depending on the location and region in which they live.

When choosing a cage for a sunbird, size is an important factor. Cages ranging in size from 54 to 68 spokes are ideal, with a minimum diameter of 40cm and height of 60cm. Large cages help birds have enough space to fly and act naturally.
In terms of materials, bird cages made of wood and bamboo are the best choice. Wooden cages have less impact on bird health and are more durable. Compared to cages made of steel, wooden cages provide better aesthetics and increase the aesthetic appeal of ornamental birds. However, steel cages also have high sturdiness.
For bird cages, you can choose suitable shapes such as square cages, round cages, rectangular cages, hexagonal cages and many other types of cages. The number of birds you can keep in one cage depends on the size and type of cage, usually 1-2 birds are suitable.
If you want to raise many sunbirds, you can choose an Aviary (Avi) cage. This type of cage provides spaciousness for the birds, allowing many birds to be raised at the same time. However, Avi cages take up a large area and cost more than regular bird cages.