Opt for Shetland Geese

Solution

Select Shetland geese, a heritage breed.

Explanation

Shetland geese are a smaller, critically endangered breed known for their hardiness and foraging ability. They are fair layers, producing around 20-40 eggs annually. They are known for their distinct auto-sexing trait (males are white, females are gray/white patterned).

Notes

Availability might be limited due to their conservation status. Their smaller size means smaller eggs.