Which animal has transparent eyelids that act like built-in goggles underwater?
Crocodile
Which animal has the fastest heartbeat of any creature on Earth?
Hummingbird
Which amphibian can freeze solid in winter and thaw back to life in spring?
Wood frog
What deep-sea shark species glows in the dark to hide from predators below?
Lantern shark
What bird uses tools to get insects out of logs and even solves puzzles?
New Caledonian crow
What desert animal can raise its body temperature to avoid sweating?
Camel
What marine animal is the longest invertebrate ever recorded?
Siphonophore
Which creature has no blood and instead uses a clear gel to move oxygen?
Icefish
Which ocean animal has a transparent head that can rotate its eyes upward?
Barreleye fish
Which marine animal has individual whistles that work like names?
Dolphin
Which lizard can squirt blood from its eyes to scare predators?
What bird makes the longest annual migration, circling from pole to pole?
Arctic tern
What insect farms fungus and even carries antibiotic bacteria on its body?
Leafcutter
Which giant invertebrate has eyes the size of dinner plates?
Colossal squid
What primate uses medicinal plants to treat illness?
Chimpanzee
What mammal has the densest fur in the world, with up to 1 million hairs per square inch?
Sea otter
Which land bird can dive at speeds over 200 mph when hunting?
Peregrine falcon
Which animal produces pink milk due to natural pigments in its diet?
Hippopotamus
What creature creates “mucus houses” to filter tiny particles from the water?
Sea salp
Which insect communicates using complex dances to show food locations?
honeybee
Which fish can survive out of water for months by breathing through its skin?
Lungfish
What creature has the strongest punch in the animal kingdom?
Mantis shrimp
Which creature’s tongue wraps around its brain because of its skull structure?
Woodpecker
Which deep-sea animal uses a siphon jet to move backward quickly?
Vampire squid
Which mammal remembers dozens of water sources and navigates using mental maps?
Elephant