Some adult Arizona black rattlesnakes can change color relatively quickly, an ability shared not only with chameleons but also with other snakes such as some species in the genus Tropidophis.
The Canasi dwarf boa or Canasi trope, Tropidophis celiae, is a species of dwarf boa endemic to the northern coast of La Habana Province, western Cuba.
Cuban khaki dwarf boa, Tropidophis hendersoni, is a newly described species of dwarf boa from the northern coast of eastern Cuba, in the province of Holguín.
Zebra dwarf boa, Tropidophis morenoi, is a newly described species of dwarf boa endemic to the Villa Clara Province, north-central Cuba.
Sancti Spiritus dwarf boa, Tropidophis spiritus, is a small species of dwarf boa endemic to the province of Sancti Spíritus, central Cuba.
Guanahacabibes dwarf boa, Tropidophis xanthogaster, is a newly described species of dwarf boa endemic to the Guanahacabibes Peninsula, in the province of Pinar del Río, western Cuba.