Figure 2:
Comparative evolutionary analysis of 12 avian species. A) The phylogenetic tree of Coturnix japonica (quail), Gallus gallus (chicken), Anas platyrhynchos (duck), Columba livia (pigeon), Falco cherrug (Saker falcon), Falco peregrinus (Peregrine falcon), Ficedula albicollis (collared flycatcher), Geospiza fortis (medium ground finch), Meleagris gallopavo (turkey), Pseudopodoces humilis (ground tit), and Taeniopygia guttata (zebra finch), with Alligator sinensis (Chinese alligator) as an outgroup. B) Syntenic relationships between the quail and chicken genomes. C) An inversion detected in chromosome Z between quail and chicken.