Across
- 1. Sedimentary, igneous or metamorphic (4)
- 3. The voice of Blue Planet (5)
- 4. Spotted bug (8)
- 6. Royal waterbird (4)
- 9. You can win them in bags at fairs (8)
- 11. Really bad weather (5)
- 14. Egg-laying mammal (8)
- 16. A model of the Earth (5)
- 17. Ouse, Severn, Wye (5)
- 18. Spiky desert-dweller (6)
- 19. Seen on wet but sunny days (7)
Down
- 1. Christmas birds (5)
- 2. Imagine having 101 of them (10)
- 5. A floppy-eared rodent (6)
- 6. Where a group of fish go to study (6)
- 7. Fuzzy pollinator (9)
- 8. A flower for Remembrance Day (5)
- 10. He wrote 'On the Origin of Species' (6)
- 12. Animal that navigates by echolocation (3)
- 13. Rasp or straw (5)
- 15. Tasty crystals (4)
- 18. Seeds of the chestnut tree, smashed together by schoolchildren (7)