Page 101 - (DK) Super Shark Encyclopedia: And Other Creatures of the Deep

Iguanas use their stocky heads to butt
rivals and may even deliberately
sneeze over one another AT A GLANCE

Super sunbather
The dark skin of a marine iguana
soaks up the Sun’s rays and helps
warm it up. The color, pattern,
and size of iguanas varies from
island to island. Males are more
brightly colored than females.

• SIZE 3 ⁄4–5 ⁄2 ft (1–1.7 m) long
1
1
• HABITAT Rocky shores
• LOCATION Galápagos Islands
• DIET Seaweed

Strong jaws contain
sharp, three-pronged Salt gland above eye
teeth for pulling on drains into nostril
seaweed

Face is often
encrusted with
white patches
of salt sneezed
out through
the nostrils

SALT SNEEZER

Seaweed is so salty the iguana needs
special glands in its head to remove
extra salt from its blood and stop it
from building up. The iguana snorts
to clear the salty snot out of its nose.

LIFE STORIES

Sharp claws help grip
rocks, especially when the
99
lizard is battered by waves 99