Iguana 11.4


Adult Saban Iguanas (Iguana iguana) are melanistic; this gravid female retains some elements of juvenile color (article on p. 238). Photograph by
Robert Powell.



G
alápagos M

arine Iguanas (A
m

blyrhynchus cristatus) from
 Isla E

spanola (= H
ood Island)(see article on p. 190). Photograph by T

hom
as W

iew
andt.