Jilguero - 8.de

Category:Spinus psaltria – Wikimedia Commons

https://commons.wikimedia.org/wiki/Category:Spinus_psaltria?uselang=de

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Spinus spinus – Wikimedia Commons

https://commons.wikimedia.org/wiki/Spinus_spinus?uselang=de

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Category:January 2016 – Wikimedia Commons

https://commons.wikimedia.org/wiki/Category:January_2016?uselang=de

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CHINGOLO CANTANDO - ZONOTRICHIA CAPENSIS SINGING II - AVES DE ARGENTINA - YouTube

https://www.youtube.com/watch?v=O2m992u_xHM

CHINGOLO CANTANDO - ZONOTRICHIA CAPENSIS SINGING

Parus major hunted down Carduelis flammea in Finland - YouTube

http://www.youtube.com/watch?v=4igkGoBFd_M

An example how the ecological pressure can lead to suprising innovations in animal bahaviour. Video by wildlife photographer Lassi Kujala.

Rouxinol-do-Japão (Leiothrix lutea) - YouTube

https://www.youtube.com/watch?v=2QLjGVV5eDA

Leiothrix lutea, vulgarmente conhecida por Rouxinol do Japão, é uma ave com cerca de 15 cm, passeriforme da família Timaliidae, género Leiothrix, espécie Lei...

Serinus Canaria - Canary Wild - YouTube

https://www.youtube.com/watch?v=ZRYzpdC9kPw

The wild or wild canary (Serinus canaria) is a species of passerine bird in the finch family (Fringillidae). It is native to the Canary Islands, Azores and M...