An ostrich's eye is
bigger than its brain.
smaller than its brain.
Blue whale is
the largest animal.
the smallest animal.
An octopus has
three hearts.
ten hearts.
A pinecone fish has natural
eyes to have fun in the dark.
headlights to find food in the dark.
Octopus blood is
blue.
yellow.
Honeybees can
can recognize human faces.
can sleep with humans.
Nocturnal geckos have no
eyes.
eyelids.
Blue whale's heart is
as big as a small car.
as big as a plane.
A shrimp's heart is
in its head.
in its tummy.
An electric eel can produce enough electricity
to light up ten bulbs.
to light up 1000 bulbs.
Nocturnal geckos clean their eyes
with their hands.
with their tongues.