These highly intelligent marine mammals invent their own unique "signature whistle," essentially giving themselves a name to identify with their pod.
What is a (bottlenose) dolphin?
This land is known as "The land of the rising sun"
What is Japan?
It's not just a fruit, bananas have a tiny amount of radioactivity due to high levels of this element.
What is potassium?
Male insects of this type produce a loud buzzing sound by vibrating specialized organs called tymbals to attract mates.
What are cicadas?
This African country was formerly known as "Abyssinia"
What is Ethiopia?
The only mammal capable of true flight.
What are bats?
When these common household rodents engage in rough-and-tumble play or get tickled, they emit a high-pitched, 50-kilohertz ultrasonic vocalization that scientists have classified as "laughter"
What are rats?
This country has the most natural lakes in the world.
What is Canada?
The only metal that is liquid at room temerature.
What is mercury?
The booming, low frequency call of this largest land animal can travel through the ground to alert others miles away.
What is an elephant?
This massive North Atlantic territory is the world's largest island that is NOT a continent?
What is Greenland?
At this specific temperature, Celsius and Fahrenheit are exactly equal.
What is -40 degrees?
This bird, famously known as the "laughing bird" of Australia, makes a call resembling human laughter to mark its territory in the morning.
What is the Kookaburra?
Spain and Portugal occupy nearly all of this southwestern European peninsula.
What is the Iberian Peninsula?
A single day on this planet is longer than it's entire year, because it takes 243 Earth days to rotate once.
What is Venus?