The blue-eyed ground dove (''Columbina cyanopis'') is a species of
bird
Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...
in the family
Columbidae
Columbidae () is a bird family consisting of doves and pigeons. It is the only family in the order Columbiformes. These are stout-bodied birds with short necks and short slender bills that in some species feature fleshy ceres. They primarily ...
. It is
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to the
Cerrado region of
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
.
Taxonomy and systematics
The blue-eyed ground dove was for a time placed in the
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
genus ''Oxypelia''. That genus was merged into ''Columbina'' by the 1960s. Some plumage features set it apart from other ''Columbina'' species and more closely resemble those of the
blue ground dove (''Claravis pretiosa''). The blue-eyed ground dove is monotypic.
[Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, A. Jaramillo, D. F. Lane, J. F. Pacheco, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. Version 24 August 2021. A classification of the bird species of South America. American Ornithological Society. https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm retrieved August 24, 2021][Baptista, L. F., P. W. Trail, H. M. Horblit, P. F. D. Boesman, and C. J. Sharpe (2020). Blue-eyed Ground Dove (''Columbina cyanopis''), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.begdov2.01 retrieved September 15, 2021][
]
Description
The blue-eyed ground dove is long. The male's head, neck, wing covert
Secrecy is the practice of hiding information from certain individuals or groups who do not have the "need to know", perhaps while sharing it with other individuals. That which is kept hidden is known as the secret.
Secrecy is often controvers ...
s, uppertail coverts, and breast are purplish red. Its lower breast, belly, flanks, shoulders, and back are browner. Its vent and undertail coverts are white. The closed wing shows dark brown and chestnut with iridescent blue spots. The central tail feathers are rufous and the outer ones darker. Its eye is blue surrounded by bare gray skin. The adult female is paler, especially on its underparts. The juvenile has rufous edges on many feathers and the wing's spots are obscure.[
]
Distribution and habitat
The blue-eyed ground dove inhabits open savannah and grasslands in the Brazilian ''cerrado
The ''Cerrado'' (, ) is a vast ecoregion of tropical savanna in eastern Brazil, particularly in the states of Goiás, Mato Grosso do Sul, Mato Grosso, Tocantins, Minas Gerais, and the Federal District. The core areas of the Cerrado biome are t ...
''.[ The only reliable records since 1980 are in the states of ]Minas Gerais
Minas Gerais () is a state in Southeastern Brazil. It ranks as the second most populous, the third by gross domestic product (GDP), and the fourth largest by area in the country. The state's capital and largest city, Belo Horizonte (literally ...
, Mato Grosso
Mato Grosso ( – lit. "Thick Bush") is one of the states of Brazil, the third largest by area, located in the Central-West region. The state has 1.66% of the Brazilian population and is responsible for 1.9% of the Brazilian GDP.
Neighboring ...
, and Mato Grosso do Sul
Mato Grosso do Sul () is one of the Midwestern states of Brazil. Neighboring Brazilian states are (from north clockwise) Mato Grosso, Goiás, Minas Gerais, São Paulo and Paraná. It also borders the countries of Paraguay, to the southwest, and ...
, and only in the first of these have any been seen since 2007. There are historical records of specimens from Mato Grosso
Mato Grosso ( – lit. "Thick Bush") is one of the states of Brazil, the third largest by area, located in the Central-West region. The state has 1.66% of the Brazilian population and is responsible for 1.9% of the Brazilian GDP.
Neighboring ...
in the early 1800s, São Paulo
São Paulo (, ; Portuguese for 'Saint Paul') is the most populous city in Brazil, and is the capital of the state of São Paulo, the most populous and wealthiest Brazilian state, located in the country's Southeast Region. Listed by the GaWC a ...
in 1904, and Goiás
Goiás () is a Brazilian state located in the Center-West region. Goiás borders the Federal District and the states of (from north clockwise) Tocantins, Bahia, Minas Gerais, Mato Grosso do Sul and Mato Grosso. The state capital is Goiânia. ...
in the early 1940s.[
]
Behavior
Feeding
No information on the blue-eyed ground dove's feeding behavior or diet has been published. It presumably feeds on seeds like the others of its genus.[
]
Breeding
No information is available on the blue-eyed ground dove's breeding phenology
Phenology is the study of periodic events in biological life cycles and how these are influenced by seasonality, seasonal and interannual variations in climate, as well as environmental factor, habitat factors (such as elevation).
Examples includ ...
.[
]
Vocalization
The blue-eyed ground dove's song is "a series of evenly-spaced, soft cooing notes" rendered as "wah", "wuh" or "prrah".[
]
Status
The IUCN
The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...
has assessed the blue-eyed ground dove as Critically Endangered. "This species is very rare with only few recent records, suggesting that the total population is extremely small. A continuing decline is inferred from rapid rates of habitat loss in the region."[
]
References
External links
BirdLife Species Factsheet.
{{Taxonbar, from=Q882374
Columbina (genus)
Birds of the Cerrado
Endemic birds of Brazil
Birds described in 1870
Taxa named by August von Pelzeln
Taxonomy articles created by Polbot