Caracara Creightoni
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The Bahaman caracara (''Caracara creightoni''), also known as Creighton's caracara, is an extinct
bird of prey Birds of prey or predatory birds, also known as raptors, are hypercarnivorous bird species that actively hunt and feed on other vertebrates (mainly mammals, reptiles and other smaller birds). In addition to speed and strength, these predators h ...
. It is known only from a few fossils discovered in the
Bahamas The Bahamas (), officially the Commonwealth of The Bahamas, is an island country within the Lucayan Archipelago of the West Indies in the Atlantic Ocean, North Atlantic. It takes up 97% of the Lucayan Archipelago's land area and is home to ...
and
Cuba Cuba ( , ), officially the Republic of Cuba ( es, República de Cuba, links=no ), is an island country comprising the island of Cuba, as well as Isla de la Juventud and several minor archipelagos. Cuba is located where the northern Caribbea ...
.Tumas, Alejandro; Hobbs, Amanda (August 2010), Todhunter, Andrew, ed., "Blue Holes of the Bahamas" in "Deep Dark Secrets", ''
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'' 218 (2): insert.
''Caracara creightoni'' was a scavenger and opportunistic species instead of a predator like its sister extant species (''C. plancus''). It lived during the late
Pleistocene The Pleistocene ( , often referred to as the ''Ice age'') is the geological Epoch (geology), epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fina ...
to the beginning of the
Holocene The Holocene ( ) is the current geological epoch. It began approximately 11,650 cal years Before Present (), after the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene togethe ...
era. ''C. creightoni'' stood 58 cm tall, was short-winged and likely a poor flier. This species went extinct as a result of humans arriving on its home islands and wiping out the bird's prey species. A 2,500 year old ''C. creightoni'' femur from an
Abaco Islands Abaco is a variant Italian form of the Biblical name "Habakkuk" (but normally Abacùc or Abacucco). Abaco may refer to: People *Evaristo Felice Dall'Abaco (1675–1742), Italian composer and violinist *Joseph Abaco (1710–1805), Belgian compose ...
blue hole A blue hole is a large marine cavern or sinkhole, which is open to the surface and has developed in a bank or island composed of a carbonate bedrock (limestone or coral reef). Their existence was discovered in the late 20th century by fisherme ...
yielded a nearly complete
mitochondrial genome Mitochondrial DNA (mtDNA or mDNA) is the DNA located in mitochondria, cellular organelles within eukaryotic cells that convert chemical energy from food into a form that cells can use, such as adenosine triphosphate (ATP). Mitochondrial D ...
. The DNA shows that the species was closely related to the
crested caracara The crested caracara (''Caracara plancus'') is a bird of prey in the family Falconidae. It is found from the southern United States through Central and South America to Tierra del Fuego. It was formerly placed in the genus ''Polyborus''. Descri ...
. The two species last shared a common ancestor between 1.2 and 0.4 million years ago, during the Pleistocene.


References

Extinct birds of the Caribbean Caracaras Late Quaternary prehistoric birds Birds described in 1959 {{paleo-bird-stub