I live in the ocean but I am a mammal. I can have up to 30m. Who am I?

I fly but I am an insect. I have many different colors and I can live for only 1 week after I become an adult. Who am I?

I can accelerate from 0 to 96.6 km/h in under three seconds and I am considered the fastest animal in the world. Who am I?

I am a mammal and the largest existing land animal. My skin is very hard and I come from Asia and Africa. Who am I?

I can be very long and many of us are venomous. I'm completely legless but very fast. Who am I?

I am huge and white and I live in the Arctic Circle. I'm in danger of extinction due to global warming. Who am I?

People think I'm a bear but I am a marsupial. I love to eat bamboo. Who am I?

I am the symbol of a country and I am a very good boxer. Who am I?

I am considered the King of the forest, but in reality I Iive in savannas. You can always find me in large groups. I'm usually the only male between many females. Who am I?

I am considered one of the smartest animals on Earth. I have opposable thumbs, like humans. Who am I?

People think that I only eat blood but in fact most of us just eat fruits. I sleep upside down. Who am I?

I am a bird but I can't fly. I live in cold weather and I'm a very good swimmer. Who am I?

I am the biggest feline in America and third in the world. I am yellow and black and can weigh up to 120kg. Who am I?