Birds
This bird is known for its ability to mimic human speech.
Parrot
Amphibians usually lay their eggs in this environment.
Water
This reptile is known for changing its skin color
Chameleon
This mammal is known for playing dead when threatened.
opossum
Fish breathe using these specialized organs.
Gills
This bird is the fastest animal in the world.
peregrine falcon
This brightly colored frog is poisonous to predators
Poison Dart Frog
This protective body covering helps reptiles prevent water loss.
Scales
This mammal is known for using echolocation to hunt in complete darkness.
Bat
This fish can inflate its body to scare predators.
Pufferfish
This bird is capable of flying backward, a trait unique among birds.
hummingbird
Amphibians are considered indicators of environmental health because their skin does this easily.
Absorbs Pollutants
This giant reptile is the largest living lizard species.
Komodo dragon
This marine mammal is known for using tools, like rocks, to open shells.
Sea Otter
This fish can generate electric fields to navigate and locate prey.
Electric Eel
This bird lays the largest eggs of any living bird.
Ostrich
This amphibian stays in its larval form for its entire life
axolotl
This reptile defense involves shedding the tail to escape predators.
Autotomy
This mammal can lower its heart rate dramatically to survive cold Arctic waters.
Seal
This fish is known for jumping upstream during migration.
Salmon
This bird is famous for migrating thousands of miles each year.
Artic Tern
Frogs breathe through their skin using this process.
cutaneous respiration
Snakes smell using this sensory organ located in the roof of the mouth.
Jacobson's Organ
This mammal can sleep for over 20 hours a day due to its low-energy diet.
Koala
This deep-sea fish uses a bioluminescent lure to attract prey.
anglerfish
This bird has specialized feathers that help it fly quietly at night.
Owl
This amphibian is known for its ability to regrow limbs.
Salamander
Crocodilians are more closely related to this group than to lizards or snakes.
Birds
This mammal has a four-chambered stomach to digest cellulose-rich plants.
Cow
This fish must keep swimming to force water over its gills and avoid suffocation.
Shark
This bone structure helps birds reduce weight while maintaining strength.
hollow (pneumatic) bones?
Amphibians typically begin life in water and later undergo this process.
Metamorphosis
This venomous reptile uses heat-sensing pits on its face to detect warm-blooded prey in total darkness.
Pit Viper and Rattle Snake
This is the only mammal known to lack vocal cords entirely.
Giraffe
This is the fastest recorded fish, capable of bursts exceeding 60 mph.
Sailfish
This bird has the largest wingspan of any living species.
wandering albatross
This amphibian can survive being frozen solid by using glucose as a natural antifreeze.
Wood Frog
This desert reptile inflates its body and hisses loudly to scare off predators.
Frilled Lizard
This mammal can shut down parts of its brain while sleeping so it can continue swimming and avoid predators.
Dolphin
This fish can survive out of water for days by breathing through its skin and “walking” short distances on land.
Mud Skipper