Owl
The owl can rotate its head some 270 degrees
Paraguay
Smokybrown Cockroach
Has up to 45 eggs per egg case
Anaconda
They are the heaviest snake in the world
Dubia Cockroach
The most popular species of feeder roach
Lone Star Tick
Only females have the ‘lone star’ marking
Brown Dog Tick
Can live its entire life indoors
Cascabel
Cascabels rely on their camouflage first, and rattle if that doesn't work.
Urutu Snake
The female Urutu snake grows longer and heavier than males of the same species
Yarara
Females are much larger than males
Hawk Moth Caterpillar
Many hawk moth caterpillars eat toxins from plants, but don’t sequester them the way milkweed butterflies do. Most toxins are excreted.
False Water Cobra
There are several color morphs, including lavender!
Dwarf Boa
Some species can change color from dark to light, and back again.
Codling Moth
Pupae are able to undergo diapause to survive poor fruit yield years and winter.
Red-Footed Tortoise
Male and female Red-Footed Tortoises move their heads to communicate.
Megatherium
Megatherium probably used its lips more than its tongue when feeling for choice leaves in the treetops.
Pit Viper
Pit vipers's fangs fold up into their mouths when they don't need them.