• Source: Patagioenas

Patagioenas is a genus of New World pigeons whose distinctness from the genus Columba was long disputed but ultimately confirmed. It is basal to the Columba-Streptopelia radiation with their ancestors diverging from that lineage likely over 8 million years ago. While the biogeographic pattern of this group suggests that the ancestors of typical pigeons and turtle-doves settled the Old World from the Americas, Patagioenas may also be the offspring of Old World pigeons that radiated into different genera later, given that the cuckoo-doves (Macropygia) of Southeast Asia also seem to be closely related.




Taxonomy


The genus Patagioenas was introduced by German naturalist Ludwig Reichenbach in 1853, with the white-crowned pigeon (Patagioenas leucocephala) as the type species. The genus name combines the Ancient Greek patageō meaning "to clatter" and oinas meaning "pigeon".
There are 17 species of Patagioenas, which can be assigned to four groups based on mtDNA cytochrome b, cytochrome c oxidase subunit I, and NADH dehydrogenase subunit 2, as well as the nuclear β-fibrinogen intron 7 data combined with analyses of vocalizations and morphology. They could be considered subgenera, but one remains unnamed so they are only informally listed here:
caribaea/band-tailed group (Chloroenas): Characterized by tails with terminal bands and iridescent neck; rows of low single coos. Apparently the most basal group.

Band-tailed pigeon, Patagioenas fasciata
Chilean pigeon, Patagioenas araucana
Ring-tailed pigeon, Patagioenas caribaea
leucocephala group (Patagioenas sensu stricto): Characterized by iridescent neck and dark plumage, or white edged outer wing coverts, or scaly appearance; groups of triple coos with the first call in each drawn out except in speciosa

White-crowned pigeon, Patagioenas leucocephala
Scaly-naped pigeon, Patagioenas squamosa
Scaled pigeon, Patagioenas speciosa
Picazuro pigeon, Patagioenas picazuro
Bare-eyed pigeon, Patagioenas corensis
Spot-winged pigeon, Patagioenas maculosa
cayennensis group: No display plumage except iridescent head in cayennensis; groups of double or triple coos with the first call in each short

Pale-vented pigeon, Patagioenas cayennensis
Red-billed pigeon, Patagioenas flavirostris
Maranon pigeon, Patagioenas oenops
Plain pigeon, Patagioenas inornata
plumbea group (Oenoenas): Small size, plain plumage, rounded tails, small bills, phrase composed of high single coos

Plumbeous pigeon, Patagioenas plumbea
Ruddy pigeon, Patagioenas subvinacea
Short-billed pigeon, Patagioenas nigrirostris
Dusky pigeon, Patagioenas goodsoni
A fossil species (Curtis pigeon) initially placed in Chloroenas, Patagioenas micula (Early Pliocene of Curtis Ranch, USA) is known. A small member of this genus, it probably indeed belonged to the band-tailed group.




Footnotes






Sources






Further reading



Couve, E. & Vidal, C. (2003): Aves de Patagonia, Tierra del Fuego y Península Antártica. Editorial Fantástico Sur Birding Ltda. ISBN 956-8007-03-2

Kata Kunci Pencarian:

• Columbidae
• Patagioenas
• Band-tailed pigeon
• White-crowned pigeon
• Bare-eyed pigeon
• Scaled pigeon
• Chilean pigeon
• Red-billed pigeon
• Scaly-naped pigeon
• Plain pigeon
• Short-billed pigeon