The Thicket Tinamou has many subspecies as follows:

This Tinamou and the Thicket Tinamou will produce hybrids on occasion.

Thicket Tinamou (also found in northwestern Costa Rica)

The Thicket Tinamou can be found in pairs, families or as a solitary bird and like most Tinamous it prefers to walk than fly.

René-Primevère Lesson identified the Thicket Tinamou from a specimen from La Unión, El Salvador., in 1842.

Although the Thicket Tinamou is recognized by most authorities, the SACC still classifies this bird as a sub-species of Crypturellus erythropus, Red-legged Tinamou.

The Thicket Tinamou or Rufescent Tinamou (Crypturellus cinnamomeus) is a type of Tinamou commonly found in moist forests in subtropical and tropical Central Mexico.

Additionally, several subspecies usually associated with the Red-legged Tinamou have been associated with other species in the past, especially the Thicket Tinamou, the Choco Tinamou and the Yellow-legged Tinamou.

The Thicket Tinamou or Rufescent Tinamou (Crypturellus cinnamomeus) is a type of Tinamou commonly found in moist forests in subtropical and tropical Central Mexico.