There are 35 birds in this family. They are found in South and Southeast Asia.

They are medium-sized, stout birds with large heads, short necks, and heavy, hooked bills often fringed with bristles. Their plumage is usually bright and patterned with greens, reds, yellows, and blues.

They are most commonly found in tropical and subtropical forests, although some species can also be found in gardens and agricultural areas.

They nest in tree cavities, often digging the holes themselves,