Jacamars are found in Central and South America. There are 5 genera and 18 species
They are closely related to the puffbirds, another Neotropical family, and the two families are often separated into their own order, Galbuliformes, separate from the Piciformes. In general, the family members are faring well in their habitats. Only 2 of the 18 species are having major troubles: the tree-toed jacamar is listed as Near Threatened and the coppery-chested jacamar is listed as Vulnerable.
Jacamars are usually colorful plus have long tails and bills which produce a hummingbird type appearance, but the jacamars
live on insects, not nectar. They search for the insects from a perch in the tree and then catch them in flight. The sexes are similar in appearance, but males often have a white patch on the throat. Most jacamars are from 15 to 25 cm in length, which includes their long bill and tail. The paradise jacamar can reach 34 cm in length due to its very long tail. The great jacamar "only" gets to 30 cm long, but it is the heaviest jacamar, weighing up to 75 grams. Jacamar nests are mostly excavated in termine mounds that are located in trees or earthen bankings, especially stream or river banks.
Except for the three-toed jacamar, they have two toes forward and
two toes facing to the rear, like the rest of the piciformes. They are the only piciform family that has down feathers in the young.