Across
- 3. a bird, can send letters
- 5. live in water, has hard shell
- 7. a bird, can't fly, black and white
- 8. live in water, has a big mouth
Down
- 1. the biggest mammal in the sea
- 2. live in the desert, can carry heavy things
- 4. the biggest bird, can't fly
- 6. has the most beautiful tail
