"One difference between alligators and crocodiles is that an alligator's lower teeth are not visible when its mouth is closed."

"Barnacles are sessile crustaceans with calcareous shells, filtering plankton from the water by extending their cirri (feathery appendages)."

"Goats are curious and excellent climbers; some can even climb trees."

"Many salamander species have remarkable regenerative abilities, capable of regrowing lost limbs and even parts of organs."

"European Rollers have brightly colored plumage, predominantly blue and brown, and perform graceful aerial acrobatics, often tumbling in flight."

"Male Northern Cardinals have striking bright red plumage; both males and females sing."

"Male robins are known for their melodious songs and territorial behavior, with brightly colored breasts."

"Armadillos are covered in a bony shell; some species can roll into a ball when threatened."

"Magpies are known for their black and white plumage and habit of collecting shiny objects; they symbolize good fortune in China."

"Salmon migrate from the ocean to their natal freshwater rivers to spawn, a journey that is often arduous."

"Anacondas are among the world's heaviest and largest snakes, excellent swimmers, non-venomous but powerful constrictors."

"Fleas are small, wingless parasitic insects, skilled jumpers, feed on host blood, and can transmit diseases."

"Herring often form huge schools and are important forage fish in marine ecosystems."

"Servals have long legs and large ears, are skilled jumpers for hunting small animals and birds, and are elegant hunters of the African savanna."

"Wombats are burrowing herbivorous marsupials, muscular, capable of digging complex burrows, and their feces are cube-shaped."

"Cheetahs are the fastest land animals, capable of reaching speeds of up to 112 km/h over short distances."

"Monitor lizards are large predatory lizards (Komodo dragon is one type), with forked tongues like snakes and a keen sense of smell."

"Rhinoceros horns are made of keratin, the same protein found in human fingernails, not bone."

"Water buffalo enjoy wallowing in water to cool off and avoid insects; they are important draft and dairy animals."

"Dragonflies are skilled fliers, capable of hovering, flying backward, and are highly efficient predators."