Spatula cyanoptera ssp. borreroi (Borrero's Cinnamon Teal)

[sebbe67]

Anas cyanoptera borreroi

this it the only duck subspecies which are listed as CR currently, it are restricted to the Columbian highland. but there are some doubt whatever this extremly rare bird still lives in this area, it might have gone extinct already, This duck were common in the 1950 but according to HBW there hasent been any recent records with the last record from the 1970, it was probably hunting compered with habitat and lake destruction which finally wiped out this bird.

[another specialist]

There are five subspecies of the Cinnamon Teal, all native to the New World. The only subspecies native to North America is the Northern Cinnamon Teal (Anas cyanoptera septentrionalium). The Northern Cinnamon Teal breeds in western North America from British Columbia south to California and winters in the south-western States and Mexico. The remainder of the subspecies are native to South America. The Argentine Cinnamon Teal (Anas cyanoptera cyanoptera) breeds from southern Peru south into Argentina and the Falkland Islands. The largest subspecies, the Andean Cinnamon Teal (Anas cyanoptera orinomus), is located in the high elevation areas of Peru, Bolivia and Chile. The smallest subspecies is the Tropical Cinnamon Teal (Anas cyanoptera tropica) from the lowlands of Columbia. The rarest subspecies, the Borrero's Cinnamon Teal (Anas cyanoptera borreroi) is located only in the highlands of Columbia.(Wescott, 1998)

animaldiversity.ummz.umich.edu/site/accounts/information/Anas_cyanoptera.html

[another specialist]

This site states there is less than 250 of this species

- site updated 2003

www.avesdelima.com/pato_colorado.htm

[another specialist]

Cinnamon Teal
with Color Plate & Matching Species Key

Northern Cinnamon Teal, Tropical Cinnamon Teal, Borrero's Cinnamon Teal, Andean Cinnamon Teal, Argentine Cinnamon Teal



Species Key;



mawba.com/cinnamon.htm

[sebbe67]

moved

[another specialist]

* Borrero's Cinnamon Teal, Anas cyanoptera borreroi (Colombia, late 20th century?)

A subspecies of the Cinnamon Teal known only from a restricted area in the Cordillera Occidental of Colombia. It is either very rare or already extinct.

www.animalloverworld.com/birds/Probably_extinct_birds.html

[another specialist]

PHYSICAL CHARACTERISTICS:

The Cinnamon Teals physical characteristics vary, and is dependent on the sex and age of the bird. Other slight variations may also be seen in the different sub-species that exist. In general, the adult male averages 340 grams, and grows to the length of 41 centimeters. The wing length of the bird is 19 centimeters. The color of the head, neck and under-parts are purplish chestnut. The abdomen and under-tail coverts are a dark brown. On the fore-back, is a lighter shade of brown, which is crossed by brown bars. The lower back and rump are greenish brown, and the wing coverts a cobalt-blue. Shoulder feather colors vary; in some birds, the outer web is blue with a yellow center stripe. In others, its dark green with a center stripe. The speculum is a bright green, and the bill is described as dusky. The eyes are represented by distinctive reddish colored irises, which are present after about 8 weeks of age. The adult female and juveniles resemble the female Blue-winged Teal (Anas discor) except for minor differences. There are five sub-species of the Cinnamon Teal, and each has evolved in different ways. Anas c. orinomus is the largest form of the cinnamon teal, and also possesses the longest bill. When comparing A. c. cyanoptera with A. c. septentrionalium; the South American male is a slightly brighter red. Anas c. tropica is the smallest form, and the males are spotted on their breasts, sides, flanks, and vents. Anas c. borreroi are similar to A. c. tropica except that only about 50% of the males have the spotted markings, and they are darker than A. c. cyanoptera. The Cinnamon Teal is considered to be a median between the blue-winged teal (Anas discor) and the red shoveler (Anas platalea). Hybrids have occurred between these species, and they are known to be fertile.

DISTRIBUTION and HABITAT:

The most common sub-species, A. c. septentrionalium, is located in North America, and the largest concentration can be seen in the western portion of the United States. They also inhabit the southern areas of British Columbia, Alberta, and Saskatchewan, Canada. In Central America, they can be seen in Mexico, and as far south as Guatemala. The subspecies, A. c. orinomus is located in high elevations of Peru and Bolivia. One can find A. c. cyanoptera making its home in the southern third of South America and the Falklands Islands. Anas. c. borreroi resides in the lowlands of Columbia, but at the present time it has a reduced population, and may be at risk of extinction. Cinnamon Teal prefer shallow ponds, lakes, and marshes with alkaline water, which are bordered by low herbaceous growth.


www.honoluluzoo.org/cinnamon_teal.htm

[Carlos]

HBW 1

Described only in 1951 by Snyder & Lumsden.

"Subspecies borreroi was common in 1950's, now vanishing; no record in recent years" [and that was published in 1992!!!].

It is larger than tropica, and only half of the males have the belly spotted. It seems somehow intermediate between the other colombian lowland subspecies tropica, which is scarce, and the common Andean form orinomus, from Peru to north Chile. [This paragraph of my own]

[Carlos]

anotherspecialist said:

Anas. c. borreroi resides in the lowlands of Columbia, but at the present time it has a reduced population, and may be at risk of extinction.
www.honoluluzoo.org/cinnamon_teal.htm

This a mistake from that source. A. c. borreroi is (or rather, was) known only from the Western Andean Highlands of Colombia, between 2100 and 3100 m, not at all in the lowlands, were the smaller A. c. tropica occurs (Madge & Burn, 1988)

[another specialist]

Thanks Carlos for the update, correction and image.

[Peter]

Spatula cyanoptera (del Hoyo and Collar 2014) was previously placed in the genus Anas.

The subspecies borreroi, known from the east Andes of Colombia, has not been recorded since the 1950s and is likely to be extinct (del Hoyo et al. 1992)

• del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Lynx Edicions BirdLife International.
• del Hoyo, J.; Elliot, A.; Sargatal, J. 1992. Handbook of the Birds of the World, vol. 1: Ostrich to Ducks. Lynx Edicions, Barcelona, Spain.

Source: BirdLife International 2012. Spatula cyanoptera. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 02 November 2014.

[Sebbe]

The subspecies borreroi, known from the east Andes of Colombia, has not been recorded since the 1950s and may be extinct (del Hoyo et al. 1992), however there are now multiple records of Cinnamon Teal (subspecies apparently undetermined) from the eastern Andes in Colombia (eBird 2021).

www.iucnredlist.org/species/22680233/139370416#geographic-range

[Sebbe]

The subspecies A. c. borreroi inhabited the Cundiboyacense plateau and has not been recorded for almost three decades (Naranjo 2002a). Determining the current population status of the VGRC is complicated by the occasional presence of the Nearctic migratory subspecies, A. c. septentrionalis (Sibley 2000, CVC 2007a), but estimates have been made of up to 392 individuals/month (Cifuentes-Sarmiento 2009). Another study estimated a density of 10 individuals/km2 and a population size of 450 individuals for the VGRC wetlands (Cárdenas et al. 2008). In Huila, 60 individuals have been estimated (J. Sánchez pers. comm.), 40 individuals in the Ciénaga Grande de Santa Marta (Duks Unlimited-Rivera 2005) and five individuals in Nariño (Wetlands International 2003; Ruiz-Guerra et al. 2007). In Chocó, only three individuals have been reported in a wetland of the Juná River (J. Zuluaga pers. comm.). There are sporadic records of several individuals in Meta (McNish 2007).

birdscolombia.com/2018/08/30/pato-colorado-cinnamon-teal-anas-cyanoptera/