[4] In Puerto Rico P. wetmorei occurs in the southwestern dry coastal forests and adjacent islets including Caja de Muertos and Isla Magueyes.

Juvenile Puerto Rican ground lizards have a similar bright blue tail that is lost with age; the blue tail remains in both adult and juvenile blue-tailed ground lizards.

It is a bright turquoise blue or green, the color fully encircling the tail.

[citation needed] The principal threats to the blue-tailed ground lizard are predation and habitat loss.

Introduced mammals including small cats and mongooses affect this animal's populations.