Table 1. Top candidate genes related to sexually dimorphic behavior in chickens (Red Junglefowl).

Ensemble ID	Name	Function	Behavioral keywords	Female vs. Male
Differentially expressed
ENSGALG00000002289	CHAT	Cholinergic regulation	Sexual, Learning, Locomotion	Up-regulated
ENSGALG00000004364	ABR	Synaptic plasticity	Stress, Learning	Up-regulated
ENSGALG00000016554	ACE2	Angiotensin regulation	Feeding, Drinking, Stress	Up-regulated
ENSGALG00000012594	NTRK2	Brain neurotrophic factor signaling, Dopamine interaction	Cognition, Learning, Feeding, Fear	Down-regulated
ENSGALG00000014994	CRHBP	Regulation of HPA-axis, Dopamine and Glutamate interaction	Stress, Learning, Memory	Down-regulated a
ENSGALG00000015147	ALDH1A1	Interaction with Dopamine and Norephrenaphrine pathways	Reward, Learning	Down-regulated a
Differentially methylated
ENSGALG00000014206	GABRA2	GABA regulation	Behavior, Reward	Hyper-methylated a
ENSGALG00000007839	NCAM1	Synaptic plasticity	Brain development, Learning	Hyper-methylated ab
ENSGALG00000002020	GLUD2	Glutamate regulation	Fear, Learning, Memory	Hypo-methylated ab
ENSGALG00000002911	DBH	Tyrosine metabolism, Dopamine and Norepinephrine regulation	Reward, Learning, Maternal, Social	Hypo-methylated b
ENSGALG00000002926	MOXD1	Tyrosine metabolism, Dopamine and Norepinephrine regulation	Reward, Learning, Maternal, Social	Hypo-methylated b
ENSGALG00000006551	TH	Tyrosine metabolism, Dopamine and Norepinephrine regulation	Reward, Learning, Sexual, Social	Hypo-methylated b
ENSGALG00000008875	PLCB1	Long term potentiation	Sexual, Cognition, Learning	Hypo-methylated ab
ENSGALG00000015177	GNA11	Dopaminergic, Colinergic and Glutamatergic receptor signaling	Reward, Fear, Learning	Hypo-methylated a

^aValidated as significant or top ranked differentially expressed or methylated in the White Leghorn breed.

^bNot significant, but top ranked among the 225 (of 3623) most differentially methylated promoters.