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"Lenny for a portrait" by Peter Fuchs via Flickr, Creative Commons Attribution.

"Canario Silvestre, Serinus canarias." by Juan_e via Flickr, Creative Commons Attribution ShareAlike.

Rubund Creative Commons Attribution ShareAlike.

Rubund Creative Commons Attribution ShareAlike.

"P4220349" by Calestyo via Flickr, Creative Commons Attribution ShareAlike.

"Trichoglossus haematodus (Rainbow Lorikeet)" by Sam Fraser-Smith via Flickr, Creative Commons Attribution.

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"Scarlet Macaw - Macaw Mountain Bird Park - Copan Ruinas, Honduras" by Adalberto.H.Vega via Flickr, Creative Commons Attribution.

"Zebra Finch" by Sky High Butterfly via Flickr, Creative Commons Attribution.