Table 3:

Selected genomic features compared across several vertebrate lineages [21]

			Transposable elements content (%)
Tetrapod taxon	Genome size (Gb)	GC content (%)	Range	Mean
Mammals	2.2–6.0	∼40.9	33.4–56.4	44.5
Birds	1.2–2.1	∼40.2	4.6–10.1	7.8
Colubroidea	1.5–3.0	39.3–47.8	33.0–56.3	46.2
Non-colubroid snakes	1.7–2.1	38.8–43.4	28.7–48.7	38.7
Scincoidea (skinks)	1.3–2.6	43.2–46.1	34.3–44.0	37.6