This snake, found in tropical South America, is a constrictor known as the largest snake in the world by weight.
What is an anaconda?
Males of these birds protect their eggs by balancing them on their feet.
What are (Emperor and King) penguins?
These birds have tongues so long—the longest!—that they wrap around the back of their skull when not in use, protecting their brains while they tap into trees.
What are woodpeckers (or flickers)?
Brackish describes water that is a mix of salty sea water and this other kind of water.
What is fresh water?
Due to its limited sense of smell, the Great Horned Owl is one of the few birds of prey known to attack this North American mammal in the Mephitidae family.
What is a skunk?
Turtles, frogs, catfish, and snakes are all ectothermic animals, typically referred to by this more common term.
What is cold-blooded?
This marine creature with an equine name has no teeth or true stomach, mates for life, and has the male carrying the unborn offspring.
What is a seahorse?
This bird is the Guinness world record holder for the fastest wing beat of a bird at 200 beats per second.
What is a (ruby-throated) hummingbird?
In contrast to waning, this term is used for an apparent increase in the size of the moon.
What is waxing?
This four-letter word is the common name for several kinds of filter-feeding bivalve mollusks, known for their muscular “feet” and hundreds of pinhole eyes.
What is a clam?
These structures are modified salivary glands that give pit vipers their distinctive triangular head shape.
What are venom glands?
Australians lost a war fought against this flightless bird, a relative of the ostrich. It is known for the striking dark green color of its eggs, which are laid in communal nests that the males guard.
What is an emu?
This largest and fastest-growing grass is most common in Asia, can grow a foot in a single day, and is often mistaken for a tree.
What is bamboo?
Electrostatic discharge between the sky and ground causes this sudden release of energy.
What is lightning?
This type of plant includes cacti. They are drought-resistant because of their thickened leaves that retain water.
What are succulents?
Rhinoceros horns are made of keratin, the same type of protein that makes up hair, fingernails, and this reptilian body part.
What are scales?
Males of this insect, also known as a toe-biter, carry their eggs on their back.
What is a giant water bug?
This largest living lizard can't breathe fire or fly, but it does have a venomous bite that inhibits blood clotting.
What is a Komodo dragon?
This type of natural disaster is a wave generated by an undersea earthquake.
What is a tsunami?
The Greater Fairy is a small species of this mammal, whose name means "little armored one.” They are often killed by cars due to their defense strategy of jumping straight up in the air (into an oncoming front fender).
What is an armadillo?
This type of snake is named for its habit of eating other snakes.
What is a king snake?
Multiple correct answers: These animals carry their eggs/young in their mouths.
What are crocodiles, Darwin's frogs, tilapia...?
At 99 miles per hour, this type of bat broke the record for fastest flying speed in level flight of any animal.
What is the Mexican free-tailed bat?
Sometimes called "rainforests of the sea," this type of underwater ecosystem that occupies less than 0.1% of the world's ocean area but provides a home for more than a quarter of marine species.
What is a coral reef?
This order of insects is most closely related to termites and cockroaches. These insects have elongated bodies and large forelegs adapted for catching and gripping prey. Their signature upright posture with folded forearms has led to their common nickname.
What are (praying) mantises?