title: [Morphological adaptation of the tongue and digestive tract to nectar feeding in nectarivorous parrots].
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D005075:Biological Evolution; D004064:Digestive System / Q000033:anatomy & histology*; D008855:Microscopy, Electron, Scanning; D011563:Psittaciformes / Q000033:anatomy & histology*; D014059:Tongue / Q000033:anatomy & histology*
vernacular_title: Konvergenzen in der Struktur von Zunge und Verdauungstrakt nektarfressender Papageien.