Guinea egg size to incubate

[Poodlemum]

My dad’s guineas have been laying for a few months and he’s hoping we can replenish his flock after the raccoons got some. Are they big enough??? I always thought they’d be bigger lol. We’re checking for fertility once my girls get home, they hate missing all the fun lol. We are pretty sure he had two hens and a male

Comparison to large fowl egg and bantam egg, Guinea egg is on the bottom

 

[Isadora]

My Guinea eggs are slightly smaller than a regular sized chicken egg. If your hens have been laying for a few months they are probably a regular size at this point.