What size is a wren egg?

Wren eggs typically measure about 1.2 to 1.5 centimeters in length and 0.8 to 1.2 centimeters in width. Their size can vary slightly depending on the specific species of wren, but they are generally small and oval-shaped. The eggs are often speckled or have a solid coloration, providing some camouflage in their nesting environments.