Horny frog and Iguanid lizard

Horny frog noun - Insectivorous lizard with hornlike spines on the head and spiny scales on the body; of western North America.

Iguanid lizard and horny frog are semantically related. In some cases you can use "Iguanid lizard" instead a noun phrase "Horny frog".

Iguanid lizard noun - Lizards of the New World and Madagascar and some Pacific islands; typically having a long tail and bright throat patch in males.

Horny frog and iguanid lizard are semantically related. Sometimes you can replace phrase "Horny frog" with "Iguanid lizard", this phrases are similar.