Dives is a genus of Neotropical birds in the family Icteridae. It contains three species:

• Cuban Blackbird
  Cuban Blackbird
  The Cuban Blackbird is a species of bird in the Icteridae family.It is endemic to Cuba.Its natural habitats are lowland moist forests and heavily degraded former forest.-References:...
  
  , Dives atroviolacea
• Melodious Blackbird
  Melodious Blackbird
  The Melodious Blackbird, Dives dives, is a New World tropical icterid bird. It is a resident breeder from coastal eastern and southeastern Mexico to Costa Rica. Its range is expanding. El Salvador was colonised in the 1950s, and eastern Guatemala in the 1960s...
  
  , Dives dives
• Scrub Blackbird
  Scrub Blackbird
  The Scrub Blackbird is a species of bird in the Icteridae family.It is found in Ecuador and Peru.Its natural habitats are subtropical or tropical moist lowland forests and heavily degraded former forest.-References:...
  
  , Dives warszewiczi

The Melodious Blackbird lives in Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

 and Central America

Central America

Central America is the central geographic region of the Americas. It is the southernmost, isthmian portion of the North American continent, which connects with South America on the southeast. When considered part of the unified continental model, it is considered a subcontinent...

; the Scrub Blackbird in Ecuador

Ecuador

Ecuador , officially the Republic of Ecuador is a representative democratic republic in South America, bordered by Colombia on the north, Peru on the east and south, and by the Pacific Ocean to the west. It is one of only two countries in South America, along with Chile, that do not have a border...

 and Peru

Peru

Peru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean....

.

The three species look similar, with plumage ranging from brownish black in juveniles to black with iridescence (green, blue, or violet) in adults, slightly more iridescent in males. The bare parts are black and the eyes are dark brown. The upper edge of the bill (the culmen) is curved, not flattened as in many other icterids, and the bill has a slight hook at the tip. The songs are varied and pleasant. If the ranges of the Melodious Blackbird and the northern populations of the Scrub Blackbird overlapped, they would be indistinguishable in the field apart from voice, and some authorities lump

Lumpers and splitters

Lumping and splitting refers to a well-known problem in any discipline which has to place individual examples into rigorously defined categories. The lumper/splitter problem occurs when there is the need to create classifications and assign examples to them, for example schools of literature,...

 these two species into one; on the other hand some split the Scrub Blackbird into two species.

All three live in open habitats, including agricultural land, and have adapted well to human disturbance.

This genus is believed to be most closely related to Euphagus

Euphagus

Euphagus is a small genus of New World blackbirds. It contains two North American species, the Brewer's Blackbird, Euphagus cyanocephalus, and the Rusty Blackbird E. carolinus...

and Quiscalus

Quiscalus

The avian genus Quiscalus contains six of the ten species of grackle, gregarious passerine birds in the Icterid family. They are native to North and South America...

.