Ptice: razlika između inačica

 

===Prehrana i način prehrane===

Ptice se hrane raznolikim stvarima, od biljnog nektara, voća<ref> Levey, Douglas J., (1987) " Sugar-tasting ability and fruit selection in tropical fruit-eating birds" ''Auk'' '''104'''(2): 173-179</ref>biljaka, <ref> Lopez-Calleja, M. Victoria and Bozinovic, Francisco (1999) "Feeding behavior and assimilation efficiency of the Rufous-tailed Plantcutter: a small avian herbivore" ''Condor'' '''101'''(3): 705-710</ref> sjemenja,<ref> Willson, Mary F. (1972) "Seed size preference in finches" ''Wilson Bulletin '''84'''(4) 449-455</ref> strvine, <ref> Wallace, Michael P. and Temple, Stanley A. (1987) "Competitive interactions within and between species in a grid of avian scavengers" ''Auk'' '''104'''(2): 290-295</ref> i raznih vrsta malih životinja, uključujući i druge ptice.<ref> Storer, Robert W., (1966) Sexual dimorphism and food habits in three North American accipiters" ''Auk'' '''83'''(3)</ref> itd. Budući da nemaju [[Zubi|zuba]], njihov [[probavni sustav]] je posebno prilagođen za obradu neusitnjene hrane koju obično gutaju u komadu.<ref name = "Gill"/>