Wild Planet: Creatures of the Earth: Mastermind Brawl

The world's largest tropical rainforest, spanning nine South American countries.

Answer:The Amazon Rainforest

Note:Contains over 10% of the world's known species.

The slow-moving South American mammal that spends almost its entire life hanging upside down in trees.

Answer:Sloth

Note:Has such a slow metabolism that algae grows on its fur.

The colorful Central and South American amphibian whose toxic skin secretions were used on indigenous hunting darts.

Answer:Poison Dart Frog

Note:Some species have enough toxin to kill 10 adult humans.

The giant South American snake species, among the heaviest and thickest in the world.

Answer:Green Anaconda

Note:Can weigh over 200 kg and hunt capybaras.

The massive flightless bird native to New Guinea and northern Australia, known as the most dangerous bird in the world.

Answer:Cassowary

Note:Equipped with razor-sharp 10 cm dagger claws on its feet.

The fastest animal in the world, capable of diving at speeds over 200 mph (320 km/h) to hunt prey.

Answer:Peregrine Falcon

Note:Reaches these speeds during its high-speed hunting stoop.

The largest bird in the world, which cannot fly but can run at speeds up to 43 mph (70 km/h).

Answer:Ostrich

Note:Lays the largest eggs of any living land animal.

The only bird species known capable of flying backwards as well as hovering in place.

Answer:Hummingbird

Note:Wings beat up to 80 times per second.

The bird with the largest wingspan of any living bird, stretching up to 3.5 meters (11.5 feet).

Answer:Wandering Albatross

Note:Can glide across oceans for hours without flapping.

The nocturnal bird of prey whose specialized fringed flight feathers allow virtually completely silent flight.

Answer:Owl (Barn Owl)

Note:Serrated wing edges muffle turbulence and sound.

The Australian marsupial that feeds almost exclusively on toxic eucalyptus leaves and sleeps 20 hours a day.

Answer:Koala

Note:Has a specialized liver and long cecum to process toxins.

The unique egg-laying mammal native to eastern Australia, equipped with a duck bill and beaver tail.

Answer:Platypus

Note:One of only five surviving species of monotremes.

The marine reptile that can survive losing its tail to escape predators, regenerating a new one.

Answer:Lizard (Gecko/Skink)

Note:Known biologically as caudal autotomy.

The only mammal covered in large, protective keratin scales, famously trafficking-threatened.

Answer:Pangolin

Note:Rolls into a tight armored ball when threatened.

The microscopic extremophile organism that can survive the vacuum of space, extreme radiation, and boiling temperatures.

Answer:Tardigrade (Water Bear)

Note:Can enter a cryptobiotic state of suspended animation.

The fastest land mammal on Earth, accelerating from 0 to 60 mph in under 3 seconds.

Answer:Cheetah

Note:Can reach top speeds of 110-120 km/h.

The largest land carnivore in the world, thriving on arctic sea ice.

Answer:Polar Bear

Note:Can weigh over 700 kg (1,500 lbs).

The only big cat species in the Americas, known for having a bite powerful enough to pierce turtle shells.

Answer:Jaguar

Note:Possesses the strongest pound-for-pound bite of any big cat.

The collective noun for a family group of lions.

Answer:A Pride

Note:Consists of multiple related females and a small coalition of males.

The largest species of wild cat in the world, with distinctive orange and black stripes.

Answer:Siberian Tiger (Amur Tiger)

Note:Can exceed 300 kg in the wild.

How many hearts does an octopus have?

Answer:3

Note:Two pump blood to the gills, one to the body.

The largest animal ever known to have lived on Earth, even larger than any dinosaur.

Answer:Blue Whale

Note:Can reach 30 meters in length and 200 tons.

What color is octopus and squid blood due to copper-based hemocyanin?

Answer:Blue

Note:Hemocyanin binds oxygen using copper instead of iron.

The largest living species of shark, which filter-feeds peacefully on microscopic plankton.

Answer:Whale Shark

Note:Can grow over 12 meters in length.

The deepest point on Earth's seabed, descending nearly 11,000 meters in the Mariana Trench.

Answer:Challenger Deep

Note:Pressure exceeds 1,000 times atmospheric pressure.