Up to 175, requires one canary.
176-250, requires two.
250+ requires three.
Canaries must SFI (South Florida Indigenous) and be checked for signs of life every 2 years.
For Classic classes the canaries must be over 5 years old, and must be fed only organic birdseed.
Swallows can be used as a substitute ONLY if they are African Swallows, and can carry a coconut.