"Wildebeest are famous for their large-scale seasonal migrations, where millions cross plains in search of water and grass."

"Vipers are venomous snakes, usually with triangular heads and tubular fangs; many species are viviparous (live-bearing)."

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

"Bonobos are slightly smaller than chimpanzees, with more peaceful social behavior, often resolving conflicts through sexual activity."

"Male mandrills have extremely colorful faces (red and blue) and are one of the largest monkey species."

"Cotton-top tamarins have a long white crest of fur on their heads, resembling a cotton ball, and are critically endangered small monkeys."

"Male peacocks (peafowl) have magnificent trains (actually upper tail coverts), which they fan out during courtship displays ('peacock's display')."

"Chameleons change color not only for camouflage but also to express emotions and for social signaling."

"Lice are small, wingless ectoparasitic insects with piercing-sucking mouthparts, feeding on blood or skin debris."

"Great White Sharks have multiple rows of sharp teeth and continuously replace lost ones throughout their lives."

"Woodpeckers use their strong beaks to peck at trees for insects; their heads have special structures to absorb shock."

"Female black widow spiders sometimes eat the male after mating; their venom has a strong effect on the nervous system."

"Silverfish are ancient wingless insects, covered in silvery scales, and feed on starchy or sugary materials like books and paper."

"The fossa is Madagascar's largest native carnivorous mammal, a skilled climber, and a predator of lemurs."

"Box turtles have a hinged plastron that allows them to completely close their shells when threatened, like a box."

"Centipedes are carnivorous; their first pair of appendages is modified into venomous claws (forcipules) for predation and defense."

"Lemmings are known for their periodic population explosions and large-scale migrations (sometimes leading to mass deaths)."

"Coelacanths were thought to have been extinct for tens of millions of years before being rediscovered; they are famous 'living fossil' fish."

"Sea urchins are covered in spines for defense and movement and feed on algae or organic debris."

"Wolves communicate over long distances through howling, coordinating pack activities and marking territory."