What is "turtledoves"

Usage examples of "turtledoves".

They rode some paces in silence while in the branches above the purring coo of turtledoves serenaded them and was left behind.

Owen had talked himself down from the heavens and into the manger-he'd made me a Joseph, he'd chosen a Mary for me, he'd turned turtledoves to cows.

Didn't the description say they were similar to turtledoves in coloration?

Laurie had christened it, saying it was highly appropriate to the gentle lovers who “went on together like a pair of turtledoves, with first a bill and then a coo”.

On the table sat a finely-glazed pitcher and a basin, for washing hands and face, and next to them a wooden bowl carved with turtledoves that held ripe berries, and also two gilded cups filled with a heady-scented wine.