Bibliografie
http://ro.wikipedia.org/wiki/Pas%C4%83re
http://ro.wikipedia.org/wiki/Clasificarea_p%C4%83s%C4%83rilor
http://ro.wikipedia.org/wiki/Comportamentul_p%C4%83s%C4%83rilor
http://www.animale-salbatice.ro/clasificarea-pasarilor.html
http://www.animalpedia.ro/despre-comportamentul-pasarilor/
http://www.animalutul.ro/
https://www.google.ro/search?q=cele+mai+frumoase+pasari+din+lume&espv=2&biw=1440&bih=756&source=lnms&tbm=isch&sa=X&ei=EdxDVb-cBc3LaKORgfAC&sqi=2&ved=0CAYQ_AUoAQ
http://ro.wikipedia.org/wiki/Clasificarea_p%C4%83s%C4%83rilor
http://ro.wikipedia.org/wiki/Comportamentul_p%C4%83s%C4%83rilor
http://www.animale-salbatice.ro/clasificarea-pasarilor.html
http://www.animalpedia.ro/despre-comportamentul-pasarilor/
http://www.animalutul.ro/
https://www.google.ro/search?q=cele+mai+frumoase+pasari+din+lume&espv=2&biw=1440&bih=756&source=lnms&tbm=isch&sa=X&ei=EdxDVb-cBc3LaKORgfAC&sqi=2&ved=0CAYQ_AUoAQ