How big are gray catbird eggs?

Gray catbird eggs are typically about 1.1 to 1.3 inches (2.8 to 3.3 cm) in length and around 0.8 to 1.0 inches (2.0 to 2.5 cm) in width. They are usually oval in shape and have a pale blue or bluish-white coloration. The size can vary slightly depending on individual birds and environmental factors.