"Male grasshoppers produce sound by rubbing their hind legs against their wings to attract females or declare territory."

"Meerkats are highly social animals with 'sentinels' responsible for vigilance; famous for their upright posture."

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

"Leopards are excellent climbers and often drag their prey up trees to avoid other carnivores."

"Coots are black with a white frontal shield and beak, lobed toes, and are skilled at diving for aquatic plants and invertebrates."

"Binturongs are nocturnal, arboreal animals with prehensile tails and emit a peculiar scent similar to popcorn."

"Aphids feed on plant sap, reproduce rapidly, can undergo parthenogenesis, and secrete honeydew that attracts ants."

"Yaks are bovid species endemic to high-altitude cold regions, adapted to low-oxygen environments, and are important livestock in Tibet."

"Indus River dolphins have very poor vision, almost blind, relying on echolocation to navigate and hunt in murky river waters, often swimming on their sides."

"Chinchillas have the densest fur of any known mammal and clean their fur by taking dust baths."

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

"Addax have long, spirally twisted horns, are extremely adapted to desert life, and are critically endangered."

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

"Cockatiels have a crest on their heads and orange cheek patches, are gentle in nature, and can whistle and mimic sounds."

"Toucans have huge, brightly colored beaks, which are lightweight despite their size and used for feeding and heat dissipation."

"Spider monkeys have long, slender limbs and tails; their prehensile tails act like a fifth limb, allowing agile movement through trees."

"Flies have taste receptors on their feet; they 'taste' food by walking on it."

"Civets have perineal glands that secrete civet musk, once used in perfume manufacturing; some species are associated with Kopi Luwak coffee."

"Male markhors have unique, spirally twisted horns; they are the national animal of Pakistan."

"Water bears are microscopic multicellular animals known for their incredible resilience in extreme environments (like vacuum, radiation)."