Quantum redactiones paginae "Melopsittacus undulatus" differant

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Fontes et nexus
m (Fontes et nexus)
* [http://www.englishbudgie.com/ De varietate quae dicitur Anglica] apud [http://www.englishbudgie.com www.englishbudgie.com]. {{Ling|Anglice}}
* [http://eol.org/pages/914969/overview Encyclopedia of Life – Melopsittacus undulatus]. {{Ling|Anglice}}
* [http://www.budgerigar.co.uk/ www.budgerigar.co.uk – Situs interretialis de alendis ''M. undulatis''].
 
== Nexus externi ==
* {{CommuniaCat|Melopsittacus undulatus|''Melopsittacum undulatum''}}
* [http://www.budgerigar.co.uk/ www.budgerigar.co.uk – Situs interretialis de alendis ''M. undulatis''].
* [http://www.pappasimpa.it/cose-da-sapere/95-i-colori-dei-cocoriti.html Colores ''M. undulatorum'']. {{Ling|Italiane}}
* [https://www.youtube.com/watch?v=cUpGRQK7o78 Vide gregem ''M. undulatorum'' bibentium atque e falcone effugientium] apud [[YouTube]].
* [http://www.sciencedirect.com/science/article/pii/S037663571100252X M.L. Millera, A.C. Gallup, A.R. Vogel, S.M. Vicario, A.B. Clark; ''Evidence for contagious behaviors in budgerigars (Melopsittacus undulatus): An observational study of yawning and stretching'']. {{Ling|Anglice}}
 
== Notae ==
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