N'ihe atụ, Anchiornis huxleyi bụ ugbu a nke kacha nta na-abụghị avian dinosaur kọwara site na okenye atụ, na-eme atụmatụ ibu nke 110 grams na ngụkọta ọkpụkpụ ogologo nke 34 cm (1.12 ft). Kacha nta herbivorous na-abụghị avian dinosaurs gụnyere Microceratus na Wannanosaurus, na banyere 60 cm (2.0 ft) ogologo onye ọ bụla. Ajụjụ: Olee otú nnukwu ndị kasị nta na-abụghị avian dinosaurs?
Ogologo 60 cm