Assertion: blackbird's egg | /r/HasProperty | smooth
Facets:
Source sentences:
text: Eggs are oval, smooth and slightly glossy, and measure 24.8 mm
text: Eggs are oval, smooth and slightly glossy, and measure 24.8 x 17.55 mm (1 x .7 in).
text: The eggs are a lighter colour than those of other corvids, being smooth, a glossy pale blue or blue-green with darker speckles ranging from dark brown to olive or grey-violet.