"Penguins propose with pebbles."
"An octopus has three hearts"
"Dolphins have names for each other"
"Cows form best friends and get stressed when separated."
"Ravens can mimic human voices"
"A newborn kangaroo is smaller than a grape."
"Elephants mourn their dead and gently touch their bones."
"Sea otters hold hands while sleeping so they don’t drift apart."
"A hummingbird’s heart beats over 1,200 times per minute."
"Frogs can breathe through their skin."
"Sloths can hold their breath longer than dolphins."
"Butterflies taste with their feet."