Across
- 2. Mucus membranes around the eyes should always be pale ____.
- 6. This is the organ that grinds up food.
- 8. Some feathers have a _____ supply.
- 9. Male chickens have these on their legs. They are used to establish dominance.
- 11. This is where eggs and faeces are passed.
- 12. These should always be held in when handling a bird.
Down
- 1. Chickens can have their wings _____. This ensures that they cannot escape enclosures.
- 3. If chicken coops aren't kept hygienic in the summer months, these inverts can infest chicken legs.
- 4. This can be given to birds to help with digestion.
- 5. Birds store food in their _____.
- 7. Birds often have ____ bones which allow them to be lighter in flight.
- 9. Birds don't just have lungs, they also have air ___.
- 10. This kind of lighting can be given to birds to help the body make vitamin D.