Anchiornithidae
Anchiornithidae is an extinct family of early birds that lived during the Early Cretaceous period, approximately 125 to 130 million years ago. Fossil remains of these birds have been discovered primarily in China, with some specimens also found in Mongolia. The family is notable for its small to medium-sized size, typically ranging from 30 to 60 centimeters in length, and its distinctive anatomical features.
Anchiornithids are characterized by their long, slender limbs, particularly their legs, which suggest a semi-arboreal or
The diet of anchiornithids is not definitively known, but their dental structure suggests they may have been
Only a few genera are recognized within Anchiornithidae, including Anchiornis and Caudipteryx, both of which have