River Quiz: Deltas, Bridges and River Dolphins

Paddle through 8 questions about the world's great rivers: the longest river row, missing bridges, capitals, deltas and river dolphins.
- Questions
8 - Length
About 5 min
Spoiler: show the questions 8 questions
- Which two rivers compete for the title of world’s longest? Select both.
- Ferries link many communities along the Amazon. How many bridges cross the main river channel?
- Float down the Danube. Put these capital cities in the order the river reaches them, upstream first.
- Which river is this, seen at night from space?
- The Danube flows from Germany to the Black Sea. How many countries does the river cross or border?
- On a sharp river bend, where is erosion strongest?
- In the mangroves of India and Bangladesh, which big cat sometimes swims between islands?
- Adult male Amazon river dolphins can be which surprising color?