Chevron photos on Flickr

The Yellow-chevroned Parakeet (Brotogeris chiriri) is native to tropical South America south of the Amazon River basin from central Brazil to southern Bolivia, Paraguay and northern Argentina.Caged birds have been released in some areas and the birds have established self sustaining populations in the Los Angeles, San Francisco, California and Miami, Florida areas of the United States. This bird seems to be doing better in its North American feral population than its closely related cousin, the Canary-winged Parakeet. The species is also fairily establhished in the downtown area of Rio de Janeiro, Brazil, where it was introduced. The native population in South America continues to do well.

The bird is 20-25 cm in length, and is mostly light green in color. It has a trailing yellow edge on its folded wings and is also seen when the bird is in flight. It is closely related to the Canary-winged Parakeet. In fact, it was considered conspecific until 1997.

The bird feeds mostly on seeds and fruit in its native habitat, and feral populations have adapted to take in blossoms and nectar. Feral birds will also come to bird feeders. Wild birds primarily use disturbed forest and forest clearings around settlements. It rarely uses deep tropical forest.

Yellow-chevroned Parakeets usually find holes in trees to nest in. They will also form nesting tunnels in dead palm fronds. It lays 4-5 eggs. After raising its young, all birds will form rather large communal roosts until the next breeding season.

Following, another text, in english, from Wikipedia, the free encyclopedia:

The Canary-winged Parakeet is 22 cm in length, and is mostly green in color. It has a trailing yellow edge on its folded wings. Its most distinguished characteristic is the white wing patches most noticed when the bird is in flight. It is closely related to the Yellow-chevroned Parakeet, and the two have often been considered conspecific.

Conspecificity is a concept in biology. Two or more individual organisms, populations, or taxa are termed conspecific if they belong to the same species.

The antonym is heterospecificity: two individuals are heterospecific if they are considered to belong to different biological species.

Where different species can interbreed and their gametes compete then conspecific gametes take precedence over heterospecific gametes. This is known as conspecific sperm precedence or conspecific pollen precedence in plants.

See the discussion of mirror neuron in which a neuron fires both when the animal performs an action and when the animal sees another animal perform the same action.

Tuim-de-asa-amarela.

Canary-winged parakeetA.

Tuim-de-asa-amarela, fotografado em Brasília, Brasil (Brazil).

geris versicolorus (Müller, 1776) ou Brotogeris chiriri chiriri - (Yellow-chevroned Parakeet): periquito-de-asa-amarela; canary-winged parakeet

Maritaca fotografada em Brasília, Brasil.

Periquito-de-asa-amarela; canary-winged parakeet.

Brotogeris versicolurus.

1. FICHA DO BICHO:

Nomes vulgares: Periquito-do-encontro-amarelo; Periquito-de-asa-amarela; Periquito-de-asas-amarelas; Periquito-estrela; Cotorra-de-las-amarillas (Espanha); Canary-winged-parakeet ou Yellow-chevroned-parakeet (EUA).

Nome científico: Brotogeris versicolorus chiriri (Vieillot, 1818)

Origem do Nome:"Periquito", origina-se do espanhol, periquillo. O termo designa aves da família dos Psittacidae (Psitacídeos).

Ordem: Aves

Família: Psittacidae (Psitacídeos)

Sub-gamília: Psittacinae

Gênero: Brotogeris spp.

Espécie: Brotogeris versicolorus chiriri (Vieillot, 1818). É uma subespécie do B. versicolorus (P.L.S. Muller, 1776), que pode ser encontrada também, como o nome de Psittacus versicolorus (Muller, 1776). Existem outras espécies como por exemplo, a B. chrysopterus (Tuipara-de-asa-laranja); B. sanctithomae (Tuipara-estrelinha); B. versicolorus (Periquito-de-asa-branca); B. viridissimus (Periquito-verde); B. tirica (Periquito-rei) entre outras. Ver site: www.vidadecao.com.br/cao/index2.asp?menu=curiosidade_peri...

geris versicolorus (Müller, 1776): periquito-de-asa-amarela; canary-winged parakeet

O colorido amarelo da asa, nas coberteiras superiores das rêmiges secundárias, e o amarelo-esverdeado da face ventral das rectrizes permitem a fácil identificação desta espécie. Apesar de ser menos abundante do que B. viridissimus, pode formar com ela bandos mistos. Nos E. U. da América do Norte, entre 1968 e 1974, houve importação de B. versicolorus, principalmente originários do Peru; alguns casais escaparam das gaiolas (ou foram soltos) e reproduziram-se na natureza, compondo atualmente bandos urbanos na Flórida, na Califórnia e em Porto Rico.

Alimentação: frutos, sementes, flores e néctar.

Nidificação: constroem o ninho em cavidades de árvores ou escavados em cupinzeiros arborícolas. Em áreas urbanas podem utilizar também os espaços sob telhas das edificações. Observações feitas em cativeiro mencionam 5 ovos brancos, medindo cerca de 23 x 19 mm e registram 26 dias para o tempo de incubação, que é tarefa da fêmea. Os filhotes deixam o ninho cerca de 8 semanas após o nascimento e são alimentados pelos pais com sementes e frutos regurgitados, mesmo após haverem abandonado o ninho.

Hábitat: campos com vegetação baixa e ilhas de matas intercaladas, bem como matas ciliares e cerradões.

Ver site: bibvirt.futuro.usp.br/especiais/aves_no_campus/f_psittaci...

Chevron Scarf by _happy_phantom_

Knit from a left-over merino-angora-blend. The pattern I found here

chevron midi rings by Amanda K Lockrow

Chevron House by Drin Collantes

Chevron gas pumps by drpep

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Troy, PA 2009.

chevrons by Liz Jones

1 5

Chevron guys by Thomas Wunz

Chevron Pillows by Cori Ashley

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For my friend Julia

YELLOW-CHEVRONED PARAKEET by cuatrok77

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(brotogeris chiriri)-YELLOW-CHEVRONED PARAKEET,range:native range from the southern amazon to northern argentina.established in miami and fort lauderdale areas where population recently estimated at 300 to 400 and in los angeles where population large,over 1000 and increasing.

Chevron B8 (1968) by LD Photography

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Benjamin HATTON (GBR)

Chevron Pano by neofito

Panoramic view from the Chevron Renaissance apartments in Surfer's Paradise, Queensland, Australia. Created with Hugin open source software. Check the full size version as well.

Chevron B21 BDG 1972 by Carlos Sanz - AnchoaPhoto

Plumbing by Vanessa Whiteley

Printed with two negatives layered on each other

Chevron B8 (1969) by LD Photography

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Pierre AVIRON-VIOLET (FRA) / José OLIVEIRA (PRT)

Chevron Scarf, Emerald by GreenHill

Artist: Jody Cedzidlo of Flytrap Studios

cotton

93 x 15 inches

SOLD

Pittsboro, NC

image courtesy of the artist

All Flytrap scarves are absolutely machine washable and dry-able with no bleeding or fading. Approximate dimensions 93" x 15" with raw edges. (This means they're un-hemmed, but the edges curl up nicely due to the knitting pattern, so nothing frays in the wash.)

Chevron Protest by Rita Xavier

Richmond, CA, Aug 3, 2013

Chevron 13 by Maggie

Chevron B16 FVC 1970 by Carlos Sanz - AnchoaPhoto

Chevron Bag by yorkiemischief

Not happy with this at all, but it's another zipper idea to perfect. I made this the night before the trip, not such a great idea. Need more time to plan next time.

Chevron Scarf by Erin Merryweather