is a specific kind of: bird.

is a broader term that covers: domestic fowl, fowl, poultry | gallina, jungle fowl | Agriocharis ocellata, ocellated turkey | guan | curassow | chachalaca | megapode, mound-bird, mound bird, mound builder, scrub fowl | hoactzin, hoatzin, Opisthocomus hoazin, stinkbird | columbiform bird | game bird.

has as a part: cockscomb, comb, coxcomb.

is a member of: Galliformes, order Galliformes.